Earbuds / Compare

Ozlo Sleepbuds 2 vs soundcore Liberty 5 Pro

A

Product A: Ozlo

Sleepbuds 2

52 of 166 known

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B

Product B: soundcore

Liberty 5 Pro

98 of 166 known

Change soundcore Liberty 5 Pro

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All 166 fields

Every value links to where we found it.

Only differences

AOzlo Sleepbuds 2

Bsoundcore Liberty 5 Pro

General

6 of 8 differ

Series

Sleepbuds1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026The product page and its user guide pages call the line Sleepbuds. The first generation is the Ozlo Sleepbuds.

Liberty1Maker product pagesoundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-callsRead 8 October 2026Exact product name in the Liberty series. D1203 Pro reference, excluding D1204 Pro Max and non-Pro Liberty 5.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

010021C01WW012Maker product pageozlosleep.com/products/sleepbuds.jsRead 15 October 2026US store product data: SKU 010021C01WW01, a single variant.

D1203, D1203Z312Retailer pagebestbuy.com/product/anker-soundcore-liberty-5-pro-noise-cancelling-earbuds-with-guinness-world-records-certified-call-quality-blue/JJ858R97R8Read 8 October 2026Exact Blue US retail listing Model D1203Z31. D1203 family identity is separately confirmed by official user guide and declaration. No Pro Max model is included.

GTIN / EAN

8500709611652Maker product pageozlosleep.com/products/sleepbuds.jsRead 15 October 2026US store barcode field: 850070961165. The Europe and UK store feeds list the same SKU and barcode.

Not available

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

28 July 20263Press articlesoundguys.com/ozlo-sleepbuds-2-launch-160755Read 15 October 2026The Tom's Guide launch review is dated 28 July 2026 and says the Sleepbuds 2 launch today.4Reviewtomsguide.com/wellness/sleep-tech/ozlo-sleepbuds-2Read 15 October 2026Published 28 July 2026: the Sleepbuds 2 launch today.7Press articletechcrunch.com/2026/07/28/ozlos-sleepbuds-2-build-on-boses-sleep-earbud-legacyRead 15 October 2026Unveiled on Tuesday 28 July 2026.

21 May 20263Maker product pagesoundcore.com/blogs/earbuds/what-is-anker-thusRead 8 October 2026What soundcore Earbuds Will Feature ANKER Thus section explicitly dates Liberty 5 Pro launch at Anker Day May 21 2026 in New York.

Status

Available2Maker product pageozlosleep.com/products/sleepbuds.jsRead 15 October 2026US store lists the product as available on 2026-10-15.

Available1Maker product pagesoundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-callsRead 8 October 2026The exact US product page offers standalone Liberty 5 Pro for purchase. Charger bundles are excluded.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

soundcore Liberty 4 Pro21Press articlephileweb.com/sp/news/d-av/202605/27/65209.htmlRead 23 October 2026PhileWeb's launch report names the Liberty 4 Pro as the previous model of the Liberty 5 Pro series.22Press articleexpertreviews.co.uk/technology/headphones-audio/soundcore-liberty-5-pro-reviewRead 23 October 2026Expert Reviews names the Liberty 4 Pro as a predecessor of the Liberty 5 Pro.

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$2791Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026The US store lists 279 USD with a free sleep mask for a limited time. SoundGuys news and the Tom's Guide launch review give the 279 USD launch price.3Press articlesoundguys.com/ozlo-sleepbuds-2-launch-160755Read 15 October 2026SoundGuys news, 29 Jul 2026: Ozlo Sleepbuds 2, a 279 USD pair.4Reviewtomsguide.com/wellness/sleep-tech/ozlo-sleepbuds-2Read 15 October 2026Review: launching with a sale price of 279 USD.7Press articletechcrunch.com/2026/07/28/ozlos-sleepbuds-2-build-on-boses-sleep-earbud-legacyRead 15 October 2026TechCrunch, 28 Jul 2026: priced at 279 USD, 30 USD above the original Sleepbuds. A sleep mask and travel case come with a purchase for a limited time.

$169.994Maker product pagesoundcore.com/blogs/earbuds/soundcore-liberty-5-pro-max-vs-5-pro-vs-5-vs-4-proRead 8 October 2026Quick Comparison Table MSRP row, Liberty 5 Pro column. Intro explicitly says all prices are MSRP as of May 2026. US dollar launch list price excluding sales tax, corroborated by launch-day reviews. Current sales and Pro Max price are excluded.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US, EU, GB1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026US store plus Europe (ozlosleep.eu) and UK (ozlosleep.co.uk) stores. Documented subset. The warranty is 1 year in the US and 2 years in the EU and UK. No euro or pound launch price is stored, since only current store prices were found.

US1Maker product pagesoundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-callsRead 8 October 2026US retail reference. Manufacturer US store and exact D1203Z31 Best Buy listing prove US availability.

ColoursiThe maker's own colour names

Not available

Pearl Blue1Maker product pagesoundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-callsRead 8 October 2026Reference is the original Pearl Blue colour selector. Other marketed colours are excluded from this exact reference file.

Segment

Sleep1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Maker: sleep earbuds, designed for sleep only.

Music1Maker product pagesoundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-callsRead 8 October 2026Manufacturer Earbuds category and product description for music listening. Calling features do not make this a dedicated office headset.

Design

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Form factoriIn-ear seals the ear canal with a tip. Semi-in-ear rests in the outer ear without a seal. Open-ear leaves the ear canal unobstructed.

In-ear1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Passive noise cancellation via silicone tips (not ANC). The silicone tips seal the ear.5Reviewsoundguys.com/ozlo-sleepbuds-2-review-161143Read 15 October 2026Review: passive isolation depends on how well the silicone tips seal in your ears.

In-ear5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Wearing Guide explicitly says insert the earbud into the ear canal and select ear tips for a seal.

Bud shapeiStem describes an extending control or microphone stalk. Stemless describes a compact body without a stalk.

Stemless1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026The earbuds are a small low-profile body with no stalk, as shown on the product page. A silicone tip with a wing carries each body.

Stem5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Overview explicitly identifies the control area on earbud stems. SoundGuys calls the shape stemless, while What Hi-Fi describes an outer stem attached to the body. Maker wording takes precedence.

Use one bud aloneiWhich earbud can operate alone. This does not mean two earbuds can play from different sources.

Not available

Either bud5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Controls table gives Using Single Earbud controls for both L/R earbuds. One earbud can stay in the case while the other is used, confirmed in exact-model support FAQ.

RGB lighting

Not available

Not available

Drivers and sound

12 of 17 differ

Drivers per budiAudio transducers in one earbud. Rows distinguish their type, acoustic role and published diameter. Do not count microphones.

AOzlo Sleepbuds 2

Type
Balanced armature

Source16Press articleaudioxpress.com/news/ozlo-launches-sleepbuds-2-expanding-sleep-earbuds-as-a-specialized-audio-categoryRead 21 October 2026Same sentence names one new balanced armature driver. No count, role or size is stated, so only the type is stored.

Bsoundcore Liberty 5 Pro

Type	Diameter (mm)	Count per earbud
Dynamic	9.2	1

Source5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Specs: Driver Unit 9.2 mm dynamic driver. Singular driver per earbud. No extra tweeter or microphone counted as an audio transducer. Acoustic role left unspecified.

Driver typeiPublished transducer technology. High-excursion, composite and neodymium do not by themselves establish a driver type.

Balanced armature16Press articleaudioxpress.com/news/ozlo-launches-sleepbuds-2-expanding-sleep-earbuds-as-a-specialized-audio-categoryRead 21 October 2026audioXpress, launch news: Ozlo says Sleepbuds 2 use a super-efficient custom audio amplifier paired with a new balanced armature driver. The maker product page, help center and press release name an amplifier but no driver type.

Dynamic5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Specs explicitly identifies dynamic driver technology.

Driver sizeiLargest explicitly published circular driver diameter in one earbud. A rectangular driver width is not a diameter.

Not available

9.2mm=CalculatedFrom Drivers per bud

Drivers per budiTotal audio transducers in one earbud, summed from explicit driver quantities. A row with an unknown quantity makes the total unknown.

Not available

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

Wool-Paper Diaphragm1Maker product pagesoundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-callsRead 8 October 2026Specs, Drivers row: 9.2 mm Wool-Paper Diaphragm Drivers.

Frequency responseiPublished acoustic frequency response of the earbuds. Codec transmission bandwidth alone does not qualify. Conditions belong in the source note.

Not available

Min10 HzMax40 kHz5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Specs explicitly states Frequency Response 10 Hz to 40 kHz. This is the product acoustic claim, not codec transmission bandwidth. Tolerance and measurement conditions are unstated. Tabletowo lists 20 Hz lower limit. Maker manual takes precedence.

Impedance

Not available

17Ω5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Specs explicitly states 17 ohms. No sensitivity reference is inferred.

SensitivityiPublished acoustic sensitivity. The electrical reference and frequency must be stated in sensitivity_reference or the source note.

Not available

Not available

Sensitivity reference

Not available

Not available

Max sample rateiHighest supported audio sample rate under the codec and source-device conditions in the source note. This does not establish lossless playback.

Not available

96kHz13Reviewtabletowo.pl/recenzja-soundcore-liberty-5-pro-test-opiniaRead 8 October 2026Technical Specs explicitly identifies Hi-Res Audio Wireless 24-bit/96 kHz for exact Liberty 5 Pro. LDAC source on Android 8+ and app Preferred audio quality required. No 32-bit inference from codec theoretical capability.

Max bit depthiHighest supported audio bit depth under the codec and source-device conditions in the source note. Bluetooth version alone does not establish this.

Not available

24bits13Reviewtabletowo.pl/recenzja-soundcore-liberty-5-pro-test-opiniaRead 8 October 2026Technical Specs explicitly identifies 24-bit/96 kHz device high-resolution wireless support. Does not assert lossless Bluetooth playback.

Adaptive EQiAn inner mic tunes the sound to your ear in real time

Not available

Not available

Personalised soundiA profile from a hearing test or ear scan

Not available

Yes1Maker product pagesoundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-callsRead 8 October 2026Personalized EQ Adjustment section says HearID 5.0 tests hearing, analyzes taste and generates a custom EQ profile.

Onboard EQ

Not available

Not available

Custom EQ bandsiNumber of independently adjustable custom equalizer frequency bands. Availability may require current firmware, an app or a compatible device.

Not available

813Reviewtabletowo.pl/recenzja-soundcore-liberty-5-pro-test-opiniaRead 8 October 2026App and Sound Features describes custom eight-band equalizer 100 Hz to 12.8 kHz, corroborated by What Hi-Fi and TechRadar exact Pro reviews.

EQ presetsiNamed equalizer sound presets. Noise-control modes and spatial-audio modes are separate features.

Balance, Focus, Spoken Word, Airplane Mode4Reviewtomsguide.com/wellness/sleep-tech/ozlo-sleepbuds-2Read 15 October 2026Audio Tuning profiles in the app: Balance, Focus, Spoken Word and Airplane Mode. Ozlo calls this tuning. It changes the audio for the content or the setting.

soundcore Signature, Clear Vocals, Powerful Bass, Calm and Soothing, Balanced for Pure Enjoyment, Soundcore Balanced6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Sound Effects lists these five named presets. The separately cited exact Pro review documents later addition of Soundcore Balanced. Unnamed Custom slots are excluded.13Reviewtabletowo.pl/recenzja-soundcore-liberty-5-pro-test-opiniaRead 8 October 2026App section reports an update during exact Pro testing added Soundcore Balanced and made it the default. Original soundcore Signature remained available. This entry adds the explicitly named later firmware preset to the five documented manual presets. Firmware number is not published.

Volume limit

Not available

Not available

Spatial audio

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Spatial audioiNamed spatial or surround audio processing supported with the source and platform conditions stated in the source note.

Not available

Dolby Audio6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Dolby Audio section explicitly names static and head-tracked spatial listening modes. No Dolby Atmos codec decoding is inferred.

Head trackingiSpatial audio changes with head movement. Static spatial processing alone does not qualify. Compatible device or content requirements belong in the source note.

Not available

Yes6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Dolby Audio, Music Mode, Head Tracking option changes surround sound with head movement.

Noise cancelling

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Active noise cancelling

No1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Tech specs, Noise Masking: passive noise cancellation via silicone tips (not ANC). FAQ: block and replace noise masking is different from active noise cancellation.

Yes6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Ambient Sound identifies Noise Cancellation mode.

ANC typeiFeedforward uses exterior microphones. Feedback uses interior microphones. Hybrid uses both. Adaptive control is separate from microphone placement.

Not available

Not available

ANC microphones in both earbudsiPhysical microphones used by ANC across the pair. A shared call and ANC microphone counts once. Case microphones and vibration sensors are excluded.

Not available

Not available

Adaptive ANCiANC strength or calibration adjusts automatically to noise, fit or ear acoustics. The source note states the adjustment conditions.

Not available

Yes6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Ambient Sound Adaptive mode adjusts cancellation to environment. This is adaptive cancellation, not automatically blended ambient audio.

ANC levelsiNumber of selectable ANC strength levels. Excludes ANC off, transparency and activity profiles unless they explicitly set distinct strength levels.

Not available

56Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Ambient Sound explicitly identifies Noise Cancellation levels 1 to 5. Normal, Adaptive and Transparency modes are not additional manual strength levels.

ANC attenuation (claimed)iManufacturer maximum claimed noise attenuation. Frequency and measurement conditions belong in the source note. This is not reviewer-measured overall attenuation.

Not available

Not available

Transparency mode

No8Press articlethe-gadgeteer.com/2026/07/29/ozlo-sleepbuds-2-sleep-earbudsRead 15 October 2026Article of 29 Jul 2026: no microphone array, no transparency mode and no calls. The earbuds have no microphones, so a transparency mode cannot exist.

Yes6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Ambient Sound and Controls explicitly name Transparency.

Adjustable transparency

Not available

Not available

Automatic ANC and transparency blendiAutomatically blends active cancellation with ambient sound. Automatic activity-based switching between separate modes alone does not qualify.

Not available

Not available

Conversation detection

Not available

Yes6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Easy Chat lowers music and changes ANC to Transparency when talking. It requires ANC mode and restores original settings after default five seconds without speech.

Wind noise reductioniA documented physical design or processing feature for reducing wind noise. The source note distinguishes mesh or shape changes from selectable processing.

Not available

Yes8Maker product pageservice.soundcore.com/fr/article-description/What-should-I-do-if-I-encounter-wind-noise-when-using-soundcore-Liberty-5-Pro-outdoorsRead 8 October 2026Exact-model support directs App > Ambient Sound > Noise Cancellation > Wind Noise Reduction. This is selectable processing, recommended only outdoors in windy conditions.

Measured

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Frequency response notes (measured)iMeasured by a reviewer, not claimed by the maker

Not available

The default tuning emphasizes bass. The reviewer found ANC changed the sound. Custom EQ can reduce the bass emphasis.14Measurementsoundguys.com/anker-soundcore-liberty-5-pro-review-worth-the-wait-157556Read 8 October 2026Reviewer sound listening notes on exact Pro sample supplied by manufacturer, one-week test. Firmware, codec and target curve unreported. Numerical bass/treble/THD values are unavailable.

Bass amount (measured)iDeviation from the review source target in the bass range. Positive means more bass. Target, test method and settings belong in the source note.

Not available

Not available

Treble amount (measured)iDeviation from the review source target in the treble range. Positive means more treble. Values from different targets may not be directly comparable.

Not available

Not available

Deviation from target (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Consistency between fittings (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Harmonic distortion (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Sound leakage (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Noise isolation (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Noise isolation, best (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Passive isolation (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Call quality notes (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Voices were clear in ideal conditions with occasional popping. Background noise was reduced in office and street tests. Wind tests added reverberation to speech.14Measurementsoundguys.com/anker-soundcore-liberty-5-pro-review-worth-the-wait-157556Read 8 October 2026Reviewer ideal, office, street, wind and reverberant microphone tests. Clear Calls was recommended for noisy use. Firmware, phone and codec unreported. No numeric microphone bandwidth inferred.

Mic low-frequency extension (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic high-frequency extension (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic speech-to-noise ratio (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Latency (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Bluetooth latency, worst (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

2.4 GHz latency, worst (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Latency in game mode (measured)iThe best case the buds can reach. Measured by a reviewer

Not available

Not available

Battery life (measured)iReviewer-tested operation from one full charge of the earbuds. Excludes case recharges. ANC, codec, connection, volume and tested edition belong in the row or source note.

Not available

Not available

Longest tested use per chargeiHighest earbuds-only duration among stored reviewer tests. Modes and settings may differ between tests and products.

Not available

Not available

Battery life with case (measured)iReviewer-tested total including earbuds and case recharges. Do not calculate this by multiplying one-charge runtime by claimed recharge count.

Not available

Not available

Full charge time (measured)iBuds in the case, 0 to 100 %. Measured by a reviewer

Not available

Not available

Weight per bud (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Microphones and calls

4 of 7 differ

Voice microphones in both earbudsiPhysical call and beamforming microphones across the pair. Excludes case microphones and vibration sensors. Shared ANC microphones can also count here when used for calls.

01Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Tech specs: No microphone, designed for sleep only. FAQ: there is no microphone in the Sleepbuds to support phone calls.

87Press releaseprnewswire.com/apac/news-releases/earbuds-that-think-anker-unveils-soundcore-liberty-5-pro-and-liberty-5-pro-max-with-ankers-first-neural-net-chip-302780254.htmlRead 8 October 2026Call Freely section: ten-sensor matrix has eight MEMS microphones and two bone-conduction sensors across earbuds. All eight mics feed the call model. Case microphones are excluded.

All microphones in both earbudsiEvery physical microphone across the pair, including call and ANC microphones. Shared microphones count once. Excludes the charging case and voice vibration sensors.

01Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026No microphone in the earbuds. The Smart Case has a microphone that only measures room noise. The case is excluded from this count.

87Press releaseprnewswire.com/apac/news-releases/earbuds-that-think-anker-unveils-soundcore-liberty-5-pro-and-liberty-5-pro-max-with-ankers-first-neural-net-chip-302780254.htmlRead 8 October 2026Eight physical MEMS microphones across the pair. The two bone-conduction sensors are excluded from microphone total. No separate case sensor count is imported.

Bone conduction voice sensoriA dedicated bone or jaw conduction sensor for detecting speech vibrations. A microphone or speech-detecting accelerometer alone does not prove this architecture.

Not available

Yes7Press releaseprnewswire.com/apac/news-releases/earbuds-that-think-anker-unveils-soundcore-liberty-5-pro-and-liberty-5-pro-max-with-ankers-first-neural-net-chip-302780254.htmlRead 8 October 2026Call Freely section explicitly identifies two bone conduction sensors detecting cranial-bone vibration.

Mic noise reduction

Not available

AI7Press releaseprnewswire.com/apac/news-releases/earbuds-that-think-anker-unveils-soundcore-liberty-5-pro-and-liberty-5-pro-max-with-ankers-first-neural-net-chip-302780254.htmlRead 8 October 2026THUS on-device large neural-net model cross-references microphone and bone-conduction streams to isolate voice from background noise.

Call audio bandwidthiHighest supported call-audio bandwidth. Compatible phone, operating system, call app or network requirements belong in the source note.

Not available

Not available

Mic mute controliAn earbud control that mutes the microphone during calls. Includes touch or pressure gestures and physical buttons. Phone/app-only controls do not qualify.

Not available

Not available

SidetoneiHear your own voice in calls

Not available

Not available

Connectivity

9 of 18 differ

Chip

Not available

ANKER Thus AI1Maker product pagesoundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-callsRead 8 October 2026Product Specs, Special Features and ANKER Thus AI Chip sections. No unstated processor part number.

Connections

Bluetooth1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Bluetooth only. The Smart Case connects to the phone over Bluetooth Classic.

Bluetooth9Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Powering On & Pairing and Multi-Device Connection document Bluetooth audio. Case USB-C is a charging port, not an asserted USB audio path.

Bluetooth

5.31Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Connection section: Bluetooth 5.3 radios.

6.19Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Specs explicitly states BT 6.1 for earbuds. Case Bluetooth 6.0 is not used as earbud version.

Bluetooth codecs

Not available

SBC, AAC, LDAC1Maker product pagesoundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-callsRead 8 October 2026Specifications FAQ explicitly lists AAC, SBC and LDAC. Earbud Bluetooth 6.1 is separate from case Bluetooth 6.0.

Bluetooth profiles

A2DP1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Connectivity: Bluetooth 5.3 (A2DP + Low Energy Audio). Only A2DP is named as an audio profile.

Not available

LE Audio

Yes1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Connectivity: Bluetooth 5.3 radios supporting A2DP and Low Energy Audio (LEA) enabled streaming. No independent test of LE Audio was found.

Not available

Auracast

Not available

Not available

MultipointiConcurrent Bluetooth connections to multiple source devices. Pairing memory and switching through a manufacturer account alone do not qualify.

No5Reviewsoundguys.com/ozlo-sleepbuds-2-review-161143Read 15 October 2026Review cons: no Bluetooth multipoint. The buds can only connect to one device at a time. Firmware 02.11.2606011.

Yes9Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Multi-Device Connection allows concurrent source connections. Pairing memory is not this field.

Multipoint devicesiMaximum source devices concurrently connected by Bluetooth, not the number remembered in pairing history.

Not available

39Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Number of Connected Devices: default two, maximum three simultaneous Bluetooth source devices.

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

Not available

Paired devices rememberediMaximum remembered Bluetooth source pairings. This is separate from simultaneous multipoint connections.

Not available

Not available

Automatic switching between own devicesiThrough the maker's account

Not available

Not available

Fast pairing

Not available

Google Fast Pair9Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Powering On & Pairing explicitly documents Google Fast Pair with Android 6.0 or later.

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

Not available

10m9Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Specs publishes 10 m / 33 ft range. Claim only, not a reviewer measurement.

Wireless receiveri2.4 GHz dongle

Not available

Not available

Receiver connector

Not available

Not available

Simultaneous 2.4 GHz and Bluetooth audioiBoth connection types can play audio together. Quick switching between independent modes does not qualify.

Not available

Not available

Latency

1 of 3 differ

Low latency mode

Not available

No15Maker product pageankerjapan.com/blogs/faq/soundcore-liberty-5-proRead 8 October 2026Exact Liberty 5 Pro FAQ question Why is game mode not supported explicitly states product is not a gaming earbud. No zero-latency audio claim from instant voice-control response.

Claimed latency

Not available

Not available

Lowest claimed latency

Not available

Not available

Compatibility

3 of 4 differ

PlatformsiPlatforms with documented audio support. App availability and advanced features can be more limited. Edition-specific support is listed in variants.

Android, iOS1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026The page lists streaming from any Bluetooth source and the Ozlo Sleep app for iOS and Android.

Android, iOS, Windows, macOS15Maker product pageankerjapan.com/blogs/faq/soundcore-liberty-5-proRead 8 October 2026Guide pairing shows Android/iOS. Exact FAQ PC connection section gives Windows stereo and hands-free conferencing and Mac audio input/output setup. No console compatibility inferred.

Connection per platformiDocumented audio connection for each platform. USB-C phone routes require a compatible port. Platform edition and microphone restrictions belong in source notes or feature requirements.

AOzlo Sleepbuds 2

Not available

Bsoundcore Liberty 5 Pro

Platform	Connection	Microphone works
Android	Bluetooth	Not available
iOS	Bluetooth	Not available
Windows	Bluetooth	Yes
macOS	Bluetooth	Yes

Source15Maker product pageankerjapan.com/blogs/faq/soundcore-liberty-5-proRead 8 October 2026Windows FAQ explicitly names Liberty 5 Pro hands-free microphone and speaker for Zoom/Teams. Mac instructions identify input/output Liberty 5 Pro. Android/iOS connection from guide Bluetooth pairing. Microphone cells left unknown where not separately proved.

Features that need a specific deviceiDevice, operating system, firmware, codec, content, account or region requirements for a named feature.

AOzlo Sleepbuds 2

Feature	Needs
Setup and audio streaming	A phone and an active Bluetooth connection are needed to set up the earbuds and to stream audio. The earbuds connect to the Smart Case and the Smart Case connects to the phone.
Ozlo Sleep app	Android 12 or later. The product page says iOS 17 or later on iPhone and iPad. The help center says iOS 18 or later on iPhone and iPad.
Phone-free Sleep Sound	The earbuds can start the built-in Sleep Sound when taken out of the case, with no phone or Bluetooth connection. This is set up in the app.
In-ear alarm	Set in the Ozlo app. It works without a phone connection and in Bluetooth Disabled mode.
Battery test	Ozlo test with streaming audio and Sleep Sounds at 50 percent volume.

Source1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026FAQ and System Requirements sections.10Maker product pageozlo-sleepbuds-2.gorgias.help/en-US/what-are-the-app-requirements-7597631Read 21 October 2026Help center, What are the app requirements: iOS 18 or later on iPhone and iPad, Android 12 or later on phones. The product page FAQ says iOS 17 or later. Both are kept in the requirement text, since the maker documents disagree. The App Content and Sound Library Specs article says iOS 18 or later and Android 12 or later.

Bsoundcore Liberty 5 Pro

Feature	Needs
LDAC	Android 8.0 or later and compatible source. Enable LDAC in soundcore app after any required firmware download. Manual prohibits three simultaneous devices. Support FAQ instructs disabling multipoint, Dolby Audio and AI Sound Enhancement.
Google Fast Pair	Android 6.0 or later.
AI translation	Latest soundcore app. Earbuds connected to app. Disable Multi-Device Connection.
Anka assistant	Latest soundcore app kept open. Earbuds connected via Bluetooth. Allow background app operation on Android.
Voice control	Commands supported in Chinese, English, Japanese and German.
Easy Chat	ANC mode enabled. Restores ANC and volume after default five seconds without speech.

Source10Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Exact guide LDAC, Pairing, AI Translation, AI Assistant, Voice Control and Easy Chat sections. Translation response through the phone is distinct from Pro Max case recording or case translation playback. Exact LDAC support FAQ additionally requires disabling Multipoint Connection, Dolby Audio and Audio Super Resolution. Manual and FAQ differ on two-device multipoint availability, which remains unknown.19Maker product pageservice.soundcore.com/eu/article-description/How-do-I-enable-LDAC-on-soundcore-Liberty-5-Pro-Where-can-I-do-thisRead 8 October 2026LDAC FAQ explicitly requires Android source support and firmware download where needed. LDAC cannot be enabled with Audio Super Resolution, Dolby Audio or Multipoint Connection. English manual prohibits only three-device LDAC. The multipoint_ldac boolean is omitted because two-device support is unresolved.

Official licence

Not available

Not available

Battery and charging

13 of 13 differ

Battery per budiBattery cell capacity of one earbud. The source note states typical or rated capacity. Charging input current is not capacity.

Not available

62mAh11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Specs explicitly gives 62 mAh x2 earbuds. Stored capacity is one bud, not sum or charging current. Typical versus rated basis is not identified.

User-replaceable earbud batteryiThe maker documents normal battery replacement by the user with its approved procedure and tools. Service or recycling disassembly does not count.

Not available

No16Maker spec sheet (PDF)lp.ankerjapan.com/hubfs/aoos/manual/D1203Safety.pdfRead 8 October 2026Exact D1203 Safety Instructions, English Important Safety Information item b: product contains non-replaceable batteries and explicitly says do not replace batteries yourself. Applies to the supplied product batteries. No disposal or service disassembly is represented as normal user replacement.

Claimed battery lifeiManufacturer maximum runtime under the stated mode, codec and spatial processing state. Name the spatial or immersive processing mode and other conditions in source notes. Omit unspecified settings. with_case false means one charge of the earbuds. true means earbuds plus case recharges.

AOzlo Sleepbuds 2

Mode	Includes case recharges	Hours (h)
ANC off	No	14

Source1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Up to 14 hours on a single charge. Footnote: Ozlo testing with Sleepbuds 2 playing streaming audio and Sleep Sounds at 50 percent volume. Results with other audio, volume, Bluetooth use and features vary. No codec is named. The case claim is stored as charging guidance because the maker gives only a number of recharges.

Bsoundcore Liberty 5 Pro

Mode	Codec	Includes case recharges	Hours (h)
ANC off	Not available	No	12
ANC off	Not available	Yes	50
ANC on	Not available	No	6.5
ANC on	Not available	Yes	28
ANC on	LDAC	No	4.5
Call	Not available	No	4

Source11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Specs gives ANC off 12 h per earbud charge / 50 h total and ANC on 6.5 h / 28 h total. LDAC+ANC 4.5 h. Call row uses ANC on 4 h. Claims are maxima. Volume, source and firmware unstated. Feature-dependent Dolby/voice/AI runtime rows omitted because table cannot name those modes explicitly.

Longest claimed use per chargeiHighest earbuds-only runtime among all stored modes. This can be ANC off, Hearing Aid, heart-rate or call use. Read the battery table and source conditions.

14h=CalculatedFrom Claimed battery life

12h=CalculatedFrom Claimed battery life

Playback per charge with ANC (claimed)iHighest claimed earbuds-only playback with ANC enabled. Codec and spatial-audio conditions belong in the source note.

Not available

6.5h=CalculatedFrom Claimed battery life

Playback per charge without ANC (claimed)iHighest claimed earbuds-only playback with ANC disabled. Codec and volume conditions belong in the source note.

14h=CalculatedFrom Claimed battery life

12h=CalculatedFrom Claimed battery life

Total with case (claimed)iHighest claimed runtime including the initial earbud charge and all case recharges. It is not the case recharge runtime alone.

Not available

50h=CalculatedFrom Claimed battery life

Total with case and ANC (claimed)iClaimed total playback with ANC, including the initial earbud charge and case recharges.

Not available

28h=CalculatedFrom Claimed battery life

Talk time (claimed)

Not available

4h=CalculatedFrom Claimed battery life

Full charge time, budsiTime to charge discharged earbuds to full in the case. Excludes charging the case itself or a combined buds-and-case result.

180min9Maker product pageozlo-sleepbuds-2.gorgias.help/en-US/battery-and-charging-specs-7597612Read 21 October 2026Ozlo Sleepbuds 2 help center, Battery & Charging Specs: Sleepbuds full charge approximately 3 hours. The article How long do Sleepbuds 2 take to charge gives the same figure. The Sleepbuds charge only in the Smart Case. Maker estimate, not a measurement.

60min11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Specs Charging Time explicitly gives earbuds up to 1 hour. This is buds in case, not case recharge.

Charging guidanceiPublished charging guidance or estimates that do not separate earbuds and case. Preserve the maker’s component scope and limits. Do not assign an unspecified or combined estimate to a component-specific numeric field.

The Smart Case holds an additional 2 to 3 charges for the earbuds. The maker gives no total runtime with the case.1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Battery section: the Smart Case holds an additional 2-3 charges. SoundGuys measured roughly three to four recharges.5Reviewsoundguys.com/ozlo-sleepbuds-2-review-161143Read 15 October 2026Review: after streaming for eight hours about 30 percent was left, and the case adds roughly three to four full recharges.

Not available

Quick charge timeiCharge duration corresponding to quick_charge_playback_h. Source note states earbuds-only or case-inclusive charging and playback settings.

Not available

5min11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Charging states a 5 minute earbud charge gives 4 hours playback.

Earbud playback after quick chargeiEarbuds-only runtime after quick_charge_min of charging. A claimed case-inclusive total does not qualify. ANC, codec and volume conditions belong in the source note.

Not available

4h1Maker product pagesoundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-callsRead 8 October 2026Exact Specifications FAQ: a 5-minute charge provides 4 hours of playtime in Normal mode. This is ANC-off earbud playback, not case-inclusive runtime.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Charging section and US Specifications FAQ: 4 hours after a 5 minute earbud charge in Normal (ANC-off) mode. Not case-inclusive total.

Charging case

7 of 10 differ

Case batteryiCharging-case battery cell capacity. The source note distinguishes typical, rated and output capacity. USB output capacity alone does not qualify.

Not available

690mAh11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Specs explicitly gives 690 mAh charging case cell capacity. Not USB output capacity or Pro Max case recording runtime.

User-replaceable case batteryiThe maker documents normal case battery replacement by the user with its approved procedure and tools. Service or recycling disassembly does not count.

Not available

No16Maker spec sheet (PDF)lp.ankerjapan.com/hubfs/aoos/manual/D1203Safety.pdfRead 8 October 2026Exact D1203 Safety Instructions, English Important Safety Information item b: product contains non-replaceable batteries and explicitly says do not replace batteries yourself. Applies to the supplied product batteries. No disposal or service disassembly is represented as normal user replacement.

Case charging port

USB-C1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Charges via USB-C. The charging cable is in the box.

USB-C11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Overview labels charging case USB-C port.

Case full charge timeiBy cable, 0 to 100 %. A time the maker gives with the earbuds inside the case counts, and the source note says so.

150min9Maker product pageozlo-sleepbuds-2.gorgias.help/en-US/battery-and-charging-specs-7597612Read 21 October 2026Same article: Smart Case full charge about 2.5 hours under normal conditions, by USB-C. The user guide pages written for the original Sleepbuds say up to 8 hours with the Sleepbuds outside the case, so the Sleepbuds 2 help center figure is used.

180min11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Charging says empty case with earbuds removed takes 3 hours by cable. Specs matches. This is case alone, not combined charging.

Wireless charging

No1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026FAQ: Does the Smart Case support wireless charging? No.5Reviewsoundguys.com/ozlo-sleepbuds-2-review-161143Read 15 October 2026Review cons: the case charges over USB-C only and has no wireless charging.

Yes11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Charging instructs placing case at center of a wireless charger.

Wireless standardsiDocumented case charging standards or supported chargers. Magnetic alignment alone does not establish Qi2 certification.

Not available

Qi14Measurementsoundguys.com/anker-soundcore-liberty-5-pro-review-worth-the-wait-157556Read 8 October 2026Battery section explicitly identifies Qi case charging. Tabletowo independently identifies Qi. No Qi2/MagSafe support inferred.

Wireless charging poweriHighest wireless charging input the maker states for the case. The output of a charging pad does not count.

Not available

Not available

Speaker in caseiAn audio speaker physically in the charging case, for locating or status sounds. A microphone in the case is separate.

Not available

Yes12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Resetting explicitly states a notification sound is heard from charging case. No Pro Max meeting-playback speaker functionality is imported.

Screen on case

Not available

Yes12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Overview and Smart Screen show display controlling features and showing separate bud and case battery levels.

Case works as audio transmitteriCase relays external source audio through USB or an analog audio input. A case microphone for recording or calls does not qualify.

Not available

Not available

Controls

5 of 5 differ

ControlsiPressure is a force sensor that does not move, such as a stem you squeeze. Button is a key that moves when pressed.

Not available

Touch, Swipe, Voice commands12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Controls supports touch, swipe and Voice Control section identifies on-earbud hands-free spoken commands.

Earbud volume controliHow earbud controls adjust volume, including a voice command if supported. Phone or app controls alone do not qualify.

None4Reviewtomsguide.com/wellness/sleep-tech/ozlo-sleepbuds-2Read 15 October 2026Review, App and controls: in the app you can select the soundscape, set the in-ear alarm, adjust the volume or change the Sleep Mode. No earbud controls are described.11Maker product pageozlo-sleepbuds-2.gorgias.help/en-US/what-are-the-specific-differences-between-the-original-sleepbuds-and-sleepbuds-2-7597351Read 21 October 2026Help center comparison table, Phone-Free Controls: the original Sleepbuds need the Ozlo app. Sleepbuds 2 add a multifunction button on the Smart Case for pairing and playback control. No control on the earbuds is documented, and the maker hardware overview lists none. Volume is set in the Ozlo app. The Smart Case button has no volume function.

Swipe12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Controls explicitly maps slide up/down on either earbud to volume changes.

Gestures

Not available

Double tap, Tap and hold, Swipe up, Swipe down12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Controls table names these gestures. No head gesture control is inferred from head tracking.

Remappable controls

Not available

Yes12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Controls explicitly says controls can be customized in soundcore app.

Voice assistant

Not available

Anka12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026AI Assistant describes Anka, accessed with Hey Anka and app Chat With Anka. Generic Siri/Google Assistant are not added.

Sensors and health

4 of 9 differ

In-ear detection

Not available

Yes12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Wearing Detection pauses playback on removing an earbud and resumes on reinsertion. Enabled by default and can be disabled.

Sensors

Sleep-detecting accelerometer in the earbuds, Ambient noise detection in the Smart Case, Ambient temperature sensor in the Smart Case, Ambient light sensor in the Smart Case1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Sensors section: Smart Case button, ambient noise detection, ambient temperature sensor and ambient light sensor. Sleepbuds: sleep-detecting accelerometer.

Infrared wear-detection sensors, Bone-conduction voice sensors20Maker product pageankerjapan.com/blogs/faq/soundcore-liberty-5-proRead 8 October 2026Exact FAQ, Wearing Detection section explicitly identifies IR sensors on the inside of both earbuds. Bone-conduction voice sensors are separately described by the exact-model Anker launch release. Head tracking alone is not used to infer a gyroscope.

Heart rate sensor

Not available

Not available

Skin temperature sensingiA documented skin temperature sensor. This is separate from the operating temperature range or a heart-rate sensor.

Not available

Not available

Hearing aid featureiAmplification for mild to moderate hearing loss

Not available

Not available

Medical clearances

Not available

Not available

Hearing testiA documented hearing assessment feature, including consumer sound-personalization tests. Medical diagnostic clearance must be stated separately.

Not available

Yes1Maker product pagesoundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-callsRead 8 October 2026Personalized EQ Adjustment explicitly identifies hearing testing. No clinical hearing diagnostic clearance is asserted.

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Sleep tracking with Sleep Patterns, Room noise, light and temperature tracking in the Smart Case1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Sleep Patterns tracking in the Ozlo Sleep app, with environment insights from the Smart Case sensors.

Not available

Fit and durability

4 of 7 differ

Ear tips includediTip sizes supplied with the product, including the pair fitted to the earbuds. Do not list separately sold sizes as included.

0 (extra small), 1 (small), 2 (medium), 3 (large)1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026In the box: 4 sizes of soft silicone tips. Size names are in the hardware overview guide and the Tom's Guide review.4Reviewtomsguide.com/wellness/sleep-tech/ozlo-sleepbuds-2Read 15 October 2026Review: wing tip sizes range from 0 (smallest) to 3 (biggest), size 2 pre-loaded.6Owner's manualozlosleep.com/blogs/user-guide/hardware-overviewRead 15 October 2026Sleepbuds hardware overview guide (dated 4 August 2026): 4 different size silicone tips numbered 0 extra small, 1 small, 2 medium and 3 large. The guide is written for the Ozlo Sleepbuds family and Tom's Guide confirms sizes 0 to 3 for the Sleepbuds 2.

XXS, XS, S, M, L12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Wearing Guide diagram labels XXS, XS, S, M and L. M installed at purchase.

Ear tip materials

Silicone1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Soft silicone tips.

Silicone13Reviewtabletowo.pl/recenzja-soundcore-liberty-5-pro-test-opiniaRead 8 October 2026Construction section identifies silicone ear tips. Five sizes supplied, confirmed manual.

StabilisersiPhysical stabilizing fittings or structures. Stability bands are separate from fins, wings and ear hooks.

Wing tips4Reviewtomsguide.com/wellness/sleep-tech/ozlo-sleepbuds-2Read 15 October 2026Review: custom-fit soft silicone wingtips act as an anchor. Sizes run from 0 to 3, with size 2 fitted.

Fins12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Overview and Wearing Guide identify removable ear fins in sizes 0, 1, 2. Size 1 installed. No ear hook.

Ear tip fit test

Not available

Yes12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Wearing Guide explicitly directs Settings > Fit Test in app.

Dust and water rating, buds

IPX41Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Sleepbuds offer protection against dust, sweat and light rain (IPX4). No dust rating is given, so the rating is IPX4.

IP5512Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Specs explicitly IP55 for earbuds only. Charging case IP rating is not inferred.

Dust and water rating, case

Not available

Not available

Water resistance depth

Not available

Not available

Software

3 of 6 differ

Companion app

Ozlo Sleep app1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Ozlo Sleep App, iOS and Android.

soundcore12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Wearing Guide, Controls, firmware and multiple feature sections explicitly identify soundcore app.

App platforms

Android, iOS1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Ozlo Sleep App for iOS and Android. Android 12 or later, iOS 17 or later.

Android, iOS12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Pairing diagrams document Android and iOS. AI Assistant explicitly discusses Android background app access. App also used on iOS.

User firmware updates

Yes13Maker product pageozlosleep.com/blogs/release-notes/tagged/sleepbudsRead 21 October 2026Release notes list Sleepbuds 2 firmware 02.11.2606025 for the Smart Case, both earbuds and the Bluetooth module, with an Update with Web App button. The iOS app note mentions faster firmware update downloads. The Ozlo site also links a Sleepbuds Updater.

Yes12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Firmware Update section gives user update procedure through app with case open and earbuds charging.

Finding network

Not available

Apple Find My7Press releaseprnewswire.com/apac/news-releases/earbuds-that-think-anker-unveils-soundcore-liberty-5-pro-and-liberty-5-pro-max-with-ankers-first-neural-net-chip-302780254.htmlRead 8 October 2026Both models features paragraph explicitly names Apple Find My. This is a launch claim. Manual separately documents local Bluetooth finding. No UWB precision finding is inferred.

Precision findingiUWB in the case

Not available

Not available

Live translation

Not available

Yes12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026AI Translation supports Real-Time and Face-to-Face translation through connected soundcore app. Multipoint must be disabled. Phone speaker handles outward translated speech, not a Pro Max recording case.

Dimensions and weight

4 of 4 differ

Weight per budiMass of one earbud. Tip size and approximate values belong in the source note. Do not store pair or case-inclusive mass.

1.6g(0.1 oz)1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Tech specifications: 0.06 oz (1.6 g each), without the silicone tip.

5.5g(0.2 oz)13Reviewtabletowo.pl/recenzja-soundcore-liberty-5-pro-test-opiniaRead 8 October 2026Technical Specs explicitly says 5.5 g for one earbud, consistent with US maker 5.5 g without case. What Hi-Fi/TechRadar list 7 g per bud. The maker-linked 5.5 g claim wins. No measured mass claimed.

Bud dimensionsiDimensions of one earbud on the explicitly identified width, height and depth axes. An unlabeled tuple cannot establish those axes.

Width17Height11Depth12mm(0.7 × 0.4 × 0.5 in)1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Tech specifications, earbuds without silicone tip: height 11 mm, width 17 mm, depth 12 mm. Axes are labelled by the maker.

Not available

Case weightiCharging case mass excluding earbuds. Case-inclusive product mass does not qualify unless the source explicitly gives the empty-case figure.

96g(3.4 oz)1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Smart Case without Sleepbuds inside: 3.5 oz (96 g).

Not available

Case dimensionsiCharging-case width, height and depth on explicitly identified source axes. Report conflicting axis labels rather than reorder a tuple by appearance.

Width78Height78Depth27mm(3.1 × 3.1 × 1.1 in)1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Smart Case: height 78 mm, width 78 mm, depth 27 mm. Axes are labelled by the maker.

Not available

Certifications

2 of 3 differ

Hi-Res AudioiThe Japan Audio Society logos. Hi-Res Audio Wireless is also written Hi-Res Wireless Audio.

Not available

Hi-Res Audio Wireless13Reviewtabletowo.pl/recenzja-soundcore-liberty-5-pro-test-opiniaRead 8 October 2026Technical Specs explicitly names Hi-Res Audio Wireless. Exact TechRadar review independently states certification.

Communication certifications

Not available

Not available

FCC IDs

2BAGA010021L, 2BAGA01002114Regulatory filingfccid.io/2BAGA010021LRead 21 October 2026FCC grant 2BAGA010021L for the Sleepbuds earbuds, model 010021L, applicant Drowsy Digital Inc (the company named in the Ozlo site copyright), granted 2026-05-22. Product code 010021 matches the Sleepbuds 2 SKU 010021C01WW01. The first generation grant is 2BAGA010011L. The case grant 2BAGA010021 is the second entry.15Regulatory filingfccid.io/2BAGA010021Read 21 October 2026FCC grant 2BAGA010021 for the Charging Case, model 010021, applicant Drowsy Digital Inc, granted 2026-05-22. The SAR report lists a 75 x 75 x 25 mm case body. The maker states 78 x 78 x 27 mm.

2AOKB-D1203, 2AOKB-D1203E16Maker spec sheet (PDF)lp.ankerjapan.com/hubfs/aoos/manual/D1203Safety.pdfRead 8 October 2026Official exact D1203 Safety Instructions page 3 lists these two FCC IDs. Case and earbud allocation unstated, so both are identifiers for this exact product, not guessed individual components.

Other certifications

Not available

CE, UKCA17Maker spec sheet (PDF)salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000035682/en_US/000035682.pdfRead 8 October 2026English first page EU & UK Declaration of Conformity identifies soundcore Liberty 5 Pro model D1203 and compliance with 2014/53/EU, RoHS and battery directives. This is conformity declaration evidence, not regulatory test measurements.

In the box

2 of 2 differ

In the box

Sleepbuds 2 earbuds, Smart Case (charging and storage case), 4 sizes of soft silicone tips, Charging cable, Quick Start Guide1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Included in the box: Ozlo Sleepbuds, charging and storage case, 4 sizes of soft silicone tips, charging cable.12Owner's manualozlosleep.com/blogs/blogs/sleepbuds-2-guideRead 21 October 2026Section 1 Unboxing: Sleepbuds 2, Smart Charging Case, USB-C charging cable, four sizes of silicone ear tips and Quick Start Guide.

Liberty 5 Pro earbuds, Charging case, Ear tips in five sizes, Ear fins in three sizes, USB-C charging cable12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Overview and Wearing Guide show earbuds, case, five tip sizes and three ear fin sizes. Charging explicitly identifies provided USB-C cable. Paper documents omitted because precise box inventory was not found.

Cables included

AOzlo Sleepbuds 2

Type	Count
USB-C	1

Source12Owner's manualozlosleep.com/blogs/blogs/sleepbuds-2-guideRead 21 October 2026Section 1 Unboxing: one USB-C charging cable. No length or other connector is stated.

Bsoundcore Liberty 5 Pro

Type	Count
USB-C charging cable	1

Source12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Charging explicitly identifies supplied USB-C charging cable. Length and opposite connector unstated.

Links

Not compared

Product page

ozlosleep.com/products/sleepbuds1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026

www.soundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-calls1Maker product pagesoundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-callsRead 8 October 2026Exact standalone Liberty 5 Pro manufacturer product page.

Spec sheet

Not available

www.soundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-calls1Maker product pagesoundcore.com/products/d1203-liberty-5-pro-anc-earbuds-clear-callsRead 8 October 2026Specs section and Specifications FAQ of the exact product page. No standalone datasheet was found.

Manual

ozlosleep.com/blogs/blogs/sleepbuds-2-guide12Owner's manualozlosleep.com/blogs/blogs/sleepbuds-2-guideRead 21 October 2026Ozlo Complete Guide for Sleepbuds 2: unboxing, setup, Smart Case button, sleep modes and care. No PDF manual was found.

salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdf5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034993/en_US/000034993.pdfRead 8 October 2026Official English D1203 user guide linked by soundcore support. The similarly named 000035081 PDF is Spanish and is not the canonical manual link.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

1 of 1 differ

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

1year1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026FAQ: Ozlo Sleepbuds come with a 1-year warranty. In the EU and UK, that is extended to two years. The US term is stored.

1.5years16Maker spec sheet (PDF)lp.ankerjapan.com/hubfs/aoos/manual/D1203Safety.pdfRead 8 October 2026Official D1203 Safety Instructions page 3 explicitly states 18-month limited warranty, with 12-month India exception. Applied to US reference from same document US/CA support section. Statutory rights and geographic exceptions excluded.

Both are also in the API. Back to all earbuds.