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Ozlo Sleepbuds 2

OzloSleep earbuds

Sleepbuds 2

Released July 2026.3Press articlesoundguys.com/ozlo-sleepbuds-2-launch-160755Read 15 October 2026News dated 29 July 2026, one day after the launch. SoundGuys lists the product release date as 29 July 2026. The US store product page was published on 27 July 2026. Last checked 21 October 2026.

Form factor
In-ear
ANC
No
Battery life
14h
With case
Not available

52 of 166 fields known.

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At a glance

All specs

SourceCalculated

General

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.
Model numbers
010021C01WW012Maker product pageozlosleep.com/products/sleepbuds.jsRead 15 October 2026US store product data: SKU 010021C01WW01, a single variant.
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.
Announced
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.
Status
Available2Maker product pageozlosleep.com/products/sleepbuds.jsRead 15 October 2026US store lists the product as available on 2026-10-15.
Predecessor
Not available
Successor
Not available
Launch price (US)
$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.
Launch price (EU)
Not available
Markets
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.
Colours
Not available
Segment
Sleep1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Maker: sleep earbuds, designed for sleep only.

Design

Form factor
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.
Bud shape
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.
Use one bud alone
Not available
RGB lighting
Not available

Drivers and sound

Drivers per bud
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.
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.
Driver size
Not available
Drivers per bud
Not available
Diaphragm material
Not available
Frequency response
Not available
Impedance
Not available
Sensitivity
Not available
Sensitivity reference
Not available
Max sample rate
Not available
Max bit depth
Not available
Adaptive EQ
Not available
Personalised sound
Not available
Onboard EQ
Not available
Custom EQ bands
Not available
EQ presets
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.
Volume limit
Not available

Spatial audio

We could not find any of these 2 fields. Show them
Spatial audio
Not available
Head tracking
Not available

Noise cancelling

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.
ANC type
Not available
ANC microphones in both earbuds
Not available
Adaptive ANC
Not available
ANC levels
Not available
ANC attenuation (claimed)
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.
Adjustable transparency
Not available
Automatic ANC and transparency blend
Not available
Conversation detection
Not available
Wind noise reduction
Not available

Measured

We could not find any of these 23 fields. Show them
Frequency response notes (measured)
Not available
Bass amount (measured)
Not available
Treble amount (measured)
Not available
Deviation from target (measured)
Not available
Consistency between fittings (measured)
Not available
Harmonic distortion (measured)
Not available
Sound leakage (measured)
Not available
Noise isolation (measured)
Not available
Noise isolation, best (measured)
Not available
Passive isolation (measured)
Not available
Call quality notes (measured)
Not available
Mic low-frequency extension (measured)
Not available
Mic high-frequency extension (measured)
Not available
Mic speech-to-noise ratio (measured)
Not available
Latency (measured)
Not available
Bluetooth latency, worst (measured)
Not available
2.4 GHz latency, worst (measured)
Not available
Latency in game mode (measured)
Not available
Battery life (measured)
Not available
Longest tested use per charge
Not available
Battery life with case (measured)
Not available
Full charge time (measured)
Not available
Weight per bud (measured)
Not available

Microphones and calls

Voice microphones in both earbuds
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.
All microphones in both earbuds
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.
Bone conduction voice sensor
Not available
Mic noise reduction
Not available
Call audio bandwidth
Not available
Mic mute control
Not available
Sidetone
Not available

Connectivity

Chip
Not available
Connections
Bluetooth1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Bluetooth only. The Smart Case connects to the phone over Bluetooth Classic.
Bluetooth
5.31Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Connection section: Bluetooth 5.3 radios.
Bluetooth codecs
Not available
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.
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.
Auracast
Not available
Multipoint
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.
Multipoint devices
Not available
Multipoint with LDAC
Not available
Paired devices remembered
Not available
Automatic switching between own devices
Not available
Fast pairing
Not available
Audio sharing
Not available
Wireless range (claimed)
Not available
Wireless receiver
Not available
Receiver connector
Not available
Simultaneous 2.4 GHz and Bluetooth audio
Not available

Latency

We could not find any of these 3 fields. Show them
Low latency mode
Not available
Claimed latency
Not available
Lowest claimed latency
Not available

Compatibility

Platforms
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.
Connection per platform
Not available
Features that need a specific device
FeatureNeeds
Setup and audio streamingA 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 appAndroid 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 SoundThe 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 alarmSet in the Ozlo app. It works without a phone connection and in Bluetooth Disabled mode.
Battery testOzlo 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.
Official licence
Not available

Battery and charging

Battery per bud
Not available
User-replaceable earbud battery
Not available
Claimed battery life
ModeIncludes case rechargesHours (h)
ANC offNo14
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.
Longest claimed use per charge
14h
Playback per charge with ANC (claimed)
Not available
Playback per charge without ANC (claimed)
14h
Total with case (claimed)
Not available
Total with case and ANC (claimed)
Not available
Talk time (claimed)
Not available
Full charge time, buds
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.
Charging guidance
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.
Quick charge time
Not available
Earbud playback after quick charge
Not available

Charging case

Case battery
Not available
User-replaceable case battery
Not available
Case charging port
USB-C1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Charges via USB-C. The charging cable is in the box.
Case full charge time
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.
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.
Wireless standards
Not available
Wireless charging power
Not available
Speaker in case
Not available
Screen on case
Not available
Case works as audio transmitter
Not available

Controls

Controls
Not available
Earbud volume control
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.
Gestures
Not available
Remappable controls
Not available
Voice assistant
Not available

Sensors and health

In-ear detection
Not available
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.
Heart rate sensor
Not available
Skin temperature sensing
Not available
Hearing aid feature
Not available
Medical clearances
Not available
Hearing test
Not available
Hearing protection
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.

Fit and durability

Ear tips 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.
Ear tip materials
Silicone1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Soft silicone tips.
Stabilisers
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.
Ear tip fit test
Not available
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.
Dust and water rating, case
Not available
Water resistance depth
Not available

Software

Companion app
Ozlo Sleep app1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Ozlo Sleep App, iOS and Android.
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.
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.
Finding network
Not available
Precision finding
Not available
Live translation
Not available

Dimensions and weight

Front and side, drawn to scale.

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

Certifications

Hi-Res Audio
Not available
Communication certifications
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.
Other certifications
Not available

In the box

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.
Cables included
TypeCount
USB-C1
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.

Warranty

Manufacturer warranty (source market)
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.

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Sources

We read 16 sources for this earbuds. The numbers match the markers in the sheet.

  1. Read 15 October 2026Backs 33 fields
  2. Read 15 October 2026Backs 3 fields
  3. Read 15 October 2026Backs 3 fields
  4. Read 15 October 2026Backs 6 fields
  5. Read 15 October 2026Backs 4 fields
  6. Read 15 October 2026Backs 1 field
  7. Read 15 October 2026Backs 2 fields
  8. Read 15 October 2026Backs 1 field
  9. Read 21 October 2026Backs 2 fields
  10. Read 21 October 2026Backs 1 field
  11. Read 21 October 2026Backs 1 field
  12. Read 21 October 2026Backs 3 fields
  13. Read 21 October 2026Backs 1 field
  14. Regulatory filingfccid.io/2BAGA010021L
    Read 21 October 2026Backs 1 field
  15. Regulatory filingfccid.io/2BAGA010021
    Read 21 October 2026Backs 1 field
  16. Read 21 October 2026Backs 2 fields

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