Earbuds / Compare

OnePlus Buds 4 vs Redmi Buds 8 Pro

A

Product A: OnePlus

Buds 4

82 of 166 known

Change OnePlus Buds 4

Compare the Redmi Buds 8 Pro with

Search earbuds

B

Product B: Redmi

Buds 8 Pro

77 of 166 known

Change Redmi Buds 8 Pro

Compare the OnePlus Buds 4 with

Search earbuds

All 166 fields

Every value links to where we found it.

Only differences

AOnePlus Buds 4

BRedmi Buds 8 Pro

General

4 of 8 differ

Series

Not available

REDMI Buds1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026The page offer text names the REDMI Buds 8 Series. The page compares the gain to the REDMI Buds 6 Pro, so the REDMI Buds line is stored as the series.

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

E513A4Owner's manualoneplus.com/content/dam/oneplus/2024/eu/store/safety_guide/OnePlus_Buds_4_Safety_Guide.pdfRead 8 October 2026Original maker Safety and Warranty booklet, English page 2, explicitly names OnePlus Buds 4 and E513A. Regulatory radio power and SAR do not establish audio specifications.

M2535E12Maker product pagemi.com/global/product/redmi-buds-8-pro/specsRead 14 October 2026Specs tab row Model: M2535E1. The German, British and French spec tabs show the same code.

GTIN / EAN

Not available

Not available

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

Not available

Not available

Status

Available1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Available6Press articlesmartzone.de/die-redmi-buds-8-gibt-es-in-deutschland-und-sie-kosten-50eRead 14 October 2026German article of 11 Jul 2026: the Buds 8 series has been on sale in Germany for a few weeks, with the Pro linked to Xiaomi's German shop.

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

OnePlus Buds 37Reviewtechradar.com/audio/earbuds-airpods/oneplus-buds-4-reviewRead 23 October 2026TechRadar's review says the OnePlus Buds 4 are the successors to last year's OnePlus Buds 3.

Not available

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.

Not available

Not available

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

€69.994Press articlesoundguys.com/xiaomi-redmi-buds-8-pro-153704Read 14 October 2026Germany: 69.99 EUR including tax, listed by MediaMarkt and Saturn on their eBay stores. Not an official Xiaomi price. Audioxpress also gives 69.99 EUR for Europe.5Press articleaudioxpress.com/news/xiaomi-launches-redmi-buds-8-pro-with-55db-anc-ldac-and-spatial-audioRead 14 October 2026Launch report of 3 Mar 2026: 69.99 EUR in Europe.

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

Not available

DE, GB, MY, TH4Press articlesoundguys.com/xiaomi-redmi-buds-8-pro-153704Read 14 October 2026Listed on the Malaysia and Thailand Xiaomi websites and sold in Germany.6Press articlesmartzone.de/die-redmi-buds-8-gibt-es-in-deutschland-und-sie-kosten-50eRead 14 October 2026Germany.7Reviewmightygadget.comRead 14 October 2026UK RRP 65 GBP through Mi.com and Amazon.

ColoursiThe maker's own colour names

Storm Gray, Zen Green1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Glacier Blue, Obsidian Black, Cloud White2Maker product pagemi.com/global/product/redmi-buds-8-pro/specsRead 14 October 2026Specs tab row Color. The overview page also shows a Special Glacier Blue finish for the same Glacier Blue colour.

Segment

Music2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Music1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Hero text: Your beat, pro tuned. Sound, noise cancelling and calls. No gaming or sport positioning.

Design

0 of 4 differ

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-ear3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026

In-ear1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026The earbuds use ear caps in S, M and L. The ear stems are the design highlight, so the buds sit in the ear canal on a stem.

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

Stem3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026

Stem1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Stem designed for comfort. The Glacier Blue stem has an NCVM finish.

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

Not available

Not available

RGB lighting

Not available

Not available

Drivers and sound

10 of 17 differ

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

AOnePlus Buds 4

Role	Diameter (mm)	Count per earbud
Woofer	11	1
Tweeter	6	1

Source1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker explicitly publishes one 11 mm woofer and one 6 mm tweeter per earbud. Transducer technology is not explicitly stated in the selected source, so row type and driver_type remain unknown.

BRedmi Buds 8 Pro

Type	Role	Diameter (mm)	Count per earbud
Dynamic	Woofer	11	1
Piezoelectric	Tweeter	6.7	2

Source7Reviewmightygadget.comRead 14 October 2026Review spec list: 11 mm dynamic driver with a titanium diaphragm plus dual 6.7 mm PZT ceramic tweeters in a coaxial triple-driver layout. The maker page names only the coaxial triple drivers. The piezo ceramic tweeters are stored as piezoelectric. Yanko Design and a German retailer give the same sizes and counts. Audioxpress describes one piezo driver plus a tuning unit.8Reviewyankodesign.comRead 14 October 2026Review, 28 Feb 2026: coaxial triple driver with an 11 mm driver with a titanium diaphragm and twin 6.7 mm PZT ceramic tweeters.10Retailer pagewlan-shop24.de/xiaomi-redmi-buds-8-pro-in-ear-headphones-55db-anc-hi-res-audio-bluetooth-5-4-obsidian-blackRead 14 October 2026Retailer spec table: 1x 11 mm dynamic driver with a titanium-coated diaphragm for bass and 2x 6.7 mm micro piezoceramic drivers for highs.

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

Not available

Hybrid7Reviewmightygadget.comRead 14 October 2026The drivers table mixes a dynamic and a piezo ceramic driver.

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

11mm=CalculatedFrom Drivers per bud

11mm=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.

2=CalculatedFrom Drivers per bud

3=CalculatedFrom Drivers per bud

Diaphragm material

Woofer: 30-layer ceramic-metal diaphragm. Tweeter: flat diaphragm.2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Maker illustrated driver descriptions explicitly assign ceramic-metal diaphragm to the woofer and flat diaphragm to the tweeter. Flat does not by itself establish planar-magnetic technology.

Titanium diaphragm on the 11 mm dynamic driver7Reviewmightygadget.comRead 14 October 2026Titanium diaphragm on the 11 mm dynamic driver. The retailer says titanium-coated.8Reviewyankodesign.comRead 14 October 2026Titanium diaphragm.

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

Min15 HzMax40 kHz1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker publishes acoustic Frequency Response of 15 Hz to 40 kHz. Test method and mode are not stated. LHDC sample rate is separate.

Not available

Impedance

Not available

Not available

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.

192kHz2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Maker LHDC 5.0 high-resolution claim: up to 192 kHz / 24-bit, up to 1 Mbps. It does not establish lossless transmission. Compatible LHDC Android host required. iOS native Bluetooth does not support LHDC.

Not available

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.

24bits2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026LHDC 5.0 claim with the same compatible-host and app restrictions as the sample rate.

Not available

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

Yes2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Not available

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.

62Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

88Reviewyankodesign.comRead 14 October 2026Custom EQ with eight bands, each adjustable from +6 to -6.9Reviewsenses.se/en/review-redmi-buds-8-proRead 14 October 2026Xiaomi Earbuds app with an 8-band equalizer and presets.

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

Balanced, Serenade, Bass Mode2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Balanced, Enhanced bass, Enhanced voice, Enhanced treble3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Audio Q8: Balanced, Enhanced bass, Enhanced voice, Enhanced treble and Custom. Custom is the user equalizer and is not a preset.8Reviewyankodesign.comRead 14 October 2026Presets: Balanced sound, Enhanced bass, Enhanced treble and Enhanced voice.

Volume limit

Not available

Not available

Spatial audio

2 of 2 differ

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

OnePlus 3D Audio2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Static OnePlus 3D Audio with the published Android/iOS app requirements. Head tracking is not inferred.

Dimensional Audio, Dolby Audio1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Dimensional audio section and the Dolby Audio section, which promises realistic surround sound. Dolby Audio is turned on in the Bluetooth settings or the Xiaomi Earbuds app (footnote 6).

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

Yes1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Dimensional audio: dynamic head-tracking for music, video and games on any device. The support FAQ says availability depends on the phone and the app.

Noise cancelling

4 of 11 differ

Active noise cancelling

Yes1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Yes1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Up to 55 dB smart ANC.

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

Hybrid2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Maker identifies feed-forward and feed-back microphone roles in each earbud. Both microphone placements establish hybrid playback ANC, distinct from its adaptive algorithm.

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.

42Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Two ANC roles per earbud, feed-forward and feed-back, total four across the pair. The separate talk microphone is not added to this count.

Not available

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

Yes1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Yes1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Page: identifies environmental noise and adjusts noise cancellation in real time based on the surroundings and how the earbuds are worn. Maximum sampling rate 32,000 times per second (Xiaomi internal labs). The support FAQ names this Smart noise cancellation.

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

Not available

203Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026New Feature Q2: Smart noise cancellation is mutually exclusive with manual 20-level noise cancellation. Xiaomi states 20 manual levels. Other earbuds in the catalog list fewer 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.

55dB1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Up to 55 dB from OnePlus Test Laboratory. The separate maximum cancellation bandwidth is 5500 Hz. This is not an independently measured overall attenuation.

55dB1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Footnote 1: test data from the National Institute of Metrology, China. 55 dB depth is reached within a particular frequency range and the 5 kHz bandwidth at a specific depth range, but not at the same time. Tested separately.

Transparency mode

Yes1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Yes3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Audio Q4: modes are Noise cancellation, Off and 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

Not available

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

Yes1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Triple-mic AI noise reduction for clear calls in 12 m/s wind (footnote 2, National Institute of Metrology, China). This is processing for calls. The support FAQ also names a built-in wind-noise reduction mechanism.

Measured

4 of 23 differ

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

The measured default response has increased sub-bass below 100 Hz and otherwise closely follows the SoundGuys Headphone Preference Curve.5Measurementsoundguys.com/oneplus-buds-4-review-142159Read 8 October 2026Written Objective Measurements section describes the measured default curve and explicitly names its target. No numeric graph interpolation or MDAQS score is stored in acoustic deviation fields.

Not available

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

Speech remains understandable in the published voice samples across several noise environments.5Measurementsoundguys.com/oneplus-buds-4-review-142159Read 8 October 2026Reviewer microphone demonstrations and written conclusions, not a maker call-noise claim. Firmware and codec are not specified.

Not available

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.

AOnePlus Buds 4

ANC	Hours (h)
Yes	5.52

Source5Measurementsoundguys.com/oneplus-buds-4-review-142159Read 8 October 2026Storm Gray reviewer unit supplied by the maker and tested for two weeks. ANC-on playback lasted 5 h 31 min, stored as 331/60 hours. Firmware, codec and numeric test level are not stated in the product review and remain unknown. This is one earbud charge, not case-inclusive runtime.

BRedmi Buds 8 Pro

ANC	Hours (h)
Yes	4.5

Source11Reviewscarbir.com/tws/redmi-buds-8-pro-reviewRead 14 October 2026Reviewer test: about 4.5 hours with ANC on, over AAC on an iPhone or LDAC on an Android phone. Volume and firmware are not stated. Senses measured a drain at about 4.5 hours with unstated conditions.

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

5.52h=CalculatedFrom Battery life (measured)

4.5h=CalculatedFrom Battery life (measured)

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

0 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.

61Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker states three microphones per side and three-microphone AI calls. Six physical microphones across the pair, not three across the pair.

67Reviewmightygadget.comRead 14 October 2026Review: three microphones per earbud with AI noise reduction. The maker says 3 built-in microphones for calls without saying per earbud. A German retailer also lists 3 per earbud, 6 total.

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.

61Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker three microphones per side. The product page labels feed-forward, talk and feed-back roles.

67Reviewmightygadget.comRead 14 October 2026Three per earbud, six across the pair. Stated per earbud by the review and the retailer. The maker does not state a total.10Retailer pagewlan-shop24.de/xiaomi-redmi-buds-8-pro-in-ear-headphones-55db-anc-hi-res-audio-bluetooth-5-4-obsidian-blackRead 14 October 2026Retailer spec table: 3 microphones per earbud, 6 total.

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

Not available

Mic noise reduction

AI1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

AI1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Xiaomi's self-developed AI algorithm for call noise reduction with 3 built-in microphones.

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

4 of 18 differ

Chip

Not available

Not available

Connections

Bluetooth1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Bluetooth1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Bluetooth only. No dongle or wired connection is listed.

Bluetooth

5.41Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

5.41Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Bluetooth 5.4 badge. The specs tab and the support FAQ agree.2Maker product pagemi.com/global/product/redmi-buds-8-pro/specsRead 14 October 2026Wireless connection: Bluetooth 5.4.

Bluetooth codecs

LHDC, AAC, SBC1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026The source names LHDC 5.0, normalized to the schema codec name LHDC. AAC and SBC are also named. LHDC requires a compatible host.

SBC, AAC, LDAC1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026The page names LDAC. AAC is named in the battery test footnote. SBC is not stated by the maker and comes from the reviews below. The support FAQ says LHDC is not supported.3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Usage Scenarios Q6: LHDC is not supported. Battery FAQ: LDAC uses more power than AAC or SBC, which names SBC, AAC and LDAC.4Press articlesoundguys.com/xiaomi-redmi-buds-8-pro-153704Read 14 October 2026Spec list: SBC, AAC and LDAC.7Reviewmightygadget.comRead 14 October 2026Review: SBC, AAC and LDAC.

Bluetooth profiles

HFP, A2DP, AVRCP1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

A2DP, AVRCP, HFP2Maker product pagemi.com/global/product/redmi-buds-8-pro/specsRead 14 October 2026Bluetooth protocols: Bluetooth Low Energy, HFP, A2DP and AVRCP. Low Energy is not a profile and is not stored. The support FAQ says LE Audio is not supported. Audioxpress calls the buds LE Audio ready, which the FAQ contradicts.

LE Audio

Not available

No3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Connection Related Q25: the earbuds do not support Low Energy Audio.

Auracast

Not available

Not available

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

Yes1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Yes1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Dual device connection to two devices at once. On by default (footnote 8).3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Connection Related Q5: Dual connection is on by default.

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

21Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

21Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Dual device connection: two different devices at the same time.

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

Google Fast Pair1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Google Fast Pair1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Google Fast Pair.3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Connection Related Q26: Google Fast Pair.

Audio sharingiShare one stream with a second pair

Not available

Yes1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Two pairs of earbuds connect to one device. Footnote 9 lists the supported Xiaomi models.3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Audio Q6: audio sharing is supported.

Wireless range (claimed)

10m1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

10m2Maker product pagemi.com/global/product/redmi-buds-8-pro/specsRead 14 October 2026Communication range 10 m in open space free of obstacles.

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

3 of 3 differ

Low latency mode

Yes2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Not available

Claimed latency

AOnePlus Buds 4

Connection	Mode	Latency (ms)
Bluetooth	Low latency mode	47

Source2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Maker laboratory claim 47 ms in its low-latency feature. Host, codec and firmware are not specified. It is not an independently measured latency or a universal guarantee.

BRedmi Buds 8 Pro

Not available

Lowest claimed latency

47ms=CalculatedFrom Claimed latency

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, iOS3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026

Android, iOS, Windows3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Usage Scenarios Q4: voice calls work on iOS and Android, and on Windows devices with Bluetooth once connected and set up.

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.

AOnePlus Buds 4

Platform	Connection
Android	Bluetooth
iOS	Bluetooth

Source3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026Original guide explicitly documents OnePlus Android and other Android/iOS pairing. No USB audio route is assigned to the charging case.

BRedmi Buds 8 Pro

Platform	Connection	Microphone works
Android	Bluetooth	Yes
iOS	Bluetooth	Yes
Windows	Bluetooth	Yes

Source3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Usage Scenarios Q4: calls on iOS, Android and Windows over Bluetooth. Windows needs correct setup.

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

AOnePlus Buds 4

Feature	Needs
LHDC 5.0 high-resolution playback	Compatible Android device with LHDC 5.0. OnePlus Android 12 or later uses Earbuds Function. Other Android 7.0 or later devices use HeyMelody. Not supported on iOS.
OnePlus 3D Audio and Golden Sound	OnePlus Android 12 or later uses Earbuds Function. Other Android 7.0 or later and iOS devices use HeyMelody.
Steady Connect	Select OnePlus phones with OxygenOS 15.0.0 or later.
AI Translation	Select OnePlus devices with OxygenOS 15.0.1 or later. Supported languages are listed in the app.
Voice assistant shortcut	Enable in OnePlus phone Settings or HeyMelody. Available assistant functions depend on the smartphone and its installed assistant.
Single-tap playback control	Disabled by default. Enable manually in OnePlus phone Settings or HeyMelody.
47 ms low-latency mode	Automatically enabled for OnePlus phone users. Other brands require manual activation in HeyMelody.

Source2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Exact footnotes 1, 5, 6, 7, 8, 9 and 11 of the US maker product page. These limit advanced features, not ordinary Bluetooth audio compatibility.

BRedmi Buds 8 Pro

Feature	Needs
Dolby Audio	Turn on Dolby Audio in the Bluetooth settings of a Xiaomi phone or in the Xiaomi Earbuds app.
Dimensional Audio	Turn on Immersive sound in the Xiaomi Earbuds app or in the Bluetooth settings of a supported Xiaomi or Redmi phone. It is not available on every Xiaomi phone. It does not work with LDAC at 96 kHz or higher, so the sampling rate must be set to 48 kHz.
Audio sharing	Needs a listed Xiaomi, Redmi or Xiaomi Pad model such as the Xiaomi 15, Xiaomi 14 or Redmi Note 13 Pro 5G. The page says more models will follow.
Pair compatible devices and battery pop-up	Only some Xiaomi phones on the latest stable system version, with Pair compatible devices turned on in the Bluetooth additional settings.
5-minute fast charge for 2 hours of playback	The charging case needs at least 20 percent battery. Test used AAC, ANC off and 50 percent volume.

Source1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Footnotes 6, 8, 9, 10 and 13 of the product page.

Official licence

Not available

Not available

Battery and charging

12 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.

62mAh1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker unqualified cell capacity of one earbud. Typical versus rated is not identified.

54mAh2Maker product pagemi.com/global/product/redmi-buds-8-pro/specsRead 14 October 2026Earbuds: 54 mAh. No typical or rated wording.

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.

No4Owner's manualoneplus.com/content/dam/oneplus/2024/eu/store/safety_guide/OnePlus_Buds_4_Safety_Guide.pdfRead 8 October 2026Original safety instructions explicitly prohibit replacing or disassembling the battery. No manufacturer-approved normal replacement procedure was found.

No3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026FAQ Overview Q3: the battery is not replaceable.

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.

AOnePlus Buds 4

Mode	Codec	Includes case recharges	Hours (h)
ANC off	AAC	No	11
ANC off	AAC	Yes	45
ANC on	AAC	No	6
ANC on	AAC	Yes	24
ANC off	LHDC	No	9
ANC off	LHDC	Yes	37
ANC on	LHDC	No	5.5
ANC on	LHDC	Yes	22
Call	Not available	No	6
Call	Not available	Yes	24
Call	Not available	No	4
Call	Not available	Yes	17

Source1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026All rows use 50% volume. AAC playback claims: ANC off 11 h buds / 45 h total and ANC on 6 h / 24 h. LHDC playback: off 9 h / 37 h and on 5.5 h / 22 h. Call rows 6 h / 24 h are ANC off, and 4 h / 17 h are ANC on. The maker labels those calls HFP, a profile rather than an actual speech codec, so codec is omitted for call rows. The call mode cannot encode ANC, so those conditions remain here. with_case includes the initial earbud charge.

BRedmi Buds 8 Pro

Mode	Codec	Includes case recharges	Hours (h)
ANC off	AAC	No	8.5
ANC off	AAC	Yes	35
ANC on	AAC	No	4.5
ANC on	AAC	Yes	16
Call	AAC	No	4.5
Call	AAC	Yes	16

Source3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Charging and Battery Life, Q2: AAC at 50 percent volume. ANC off: 8.5 h and 35 h with the case. ANC on: 4.5 h and 16 h with the case. Calls with ANC off: 4.5 h and 16 h with the case. Calls with ANC on (3 h and 10.5 h) are not stored because the call mode cannot hold the ANC state. The product page states 8 h and 33 h for ANC off with ANC and dual-device connection disabled. The two maker figures differ and the FAQ set is stored because it covers every mode from one test. Xiaomi labs.

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.

11h=CalculatedFrom Claimed battery life

8.5h=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.

6h=CalculatedFrom Claimed battery life

4.5h=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.

11h=CalculatedFrom Claimed battery life

8.5h=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.

45h=CalculatedFrom Claimed battery life

35h=CalculatedFrom Claimed battery life

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

24h=CalculatedFrom Claimed battery life

16h=CalculatedFrom Claimed battery life

Talk time (claimed)

6h=CalculatedFrom Claimed battery life

4.5h=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.

50min1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker specifies earbuds-only charge time about 50 minutes. The separate about-80-minute result includes both earbuds and case, so it is not stored as case_charge_time_min.

Not available

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.

Not available

Charging case input is 5 V 700 mA max and output is 5 V 500 mA max. The earbuds take 5 V 250 mA max. The included cable charges at 5 V and does not carry data. Xiaomi does not recommend power banks, because a small charging current can trip their current protection.3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Charging Q6 and Usage Scenarios Q1. Input and output currents are from the product spec table.

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

10min1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

5min1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 20265 minutes of fast charging. Footnote 13: needs at least 20 percent in the case, with AAC, ANC off and 50 percent volume.

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.

3.5h1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker earbuds-only claim is 3.5 hours after ten minutes. Conditions ANC off, AAC, 50% volume. The eleven-hour quick-charge headline includes case recharges and is not stored here.

2h1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Up to 2 hours of playback after the 5-minute fast charge. Earbuds only.

Charging case

2 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.

530mAh1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker unqualified charging case cell capacity. It is separate from one-bud capacity.

480mAh2Maker product pagemi.com/global/product/redmi-buds-8-pro/specsRead 14 October 2026Charging case: 480 mAh. No typical or rated wording.

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.

No4Owner's manualoneplus.com/content/dam/oneplus/2024/eu/store/safety_guide/OnePlus_Buds_4_Safety_Guide.pdfRead 8 October 2026Same original safety rule covers the device and accessories, including charging case batteries. Service repair and disposal are not routine user replacement.

Not available

Case charging port

USB-C1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

USB-C2Maker product pagemi.com/global/product/redmi-buds-8-pro/specsRead 14 October 2026Charging port Type-C.

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.

Not available

Not available

Wireless charging

No5Measurementsoundguys.com/oneplus-buds-4-review-142159Read 8 October 2026Reviewer explicitly states the USB-C case does not support wireless charging.

No3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Charging Q3: no wireless charging. The case charges with the included Type-C cable.

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

Not available

Not available

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

Not available

Screen on case

Not available

Not available

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

2 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.

Touch, Swipe2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Touch, Swipe3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Touch Controls Q1: tap, press and hold and swipe on the touch area of each earbud.

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

Swipe2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Swipe3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Audio Q2: swipe up or down on the touch area.

Gestures

Single tap, Double tap, Triple tap, Touch and hold for one second, Slide up and down3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026Original English touch table. Single-tap playback is disabled by default and must be enabled in app settings.

Single tap: no default function, Double tap: play or pause, answer or end a call, Triple tap: next track, Press and hold: switch between noise cancellation and transparency, or reject a call, Swipe up: volume up, Swipe down: volume down3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Touch Controls Q1: default gestures.

Remappable controls

Yes2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Yes3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Touch Controls Q1: gestures can be customised in the Xiaomi Earbuds app or in the Bluetooth settings of a Xiaomi phone.

Voice assistant

Google Gemini, Google Assistant, Apple Siri2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Not available

Sensors and health

3 of 9 differ

In-ear detection

Not available

Yes3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Wearing Related Q2: in-ear detection is on by default and playback pauses when the earbuds are removed.

Sensors

Not available

6-axis gyroscope5Press articleaudioxpress.com/news/xiaomi-launches-redmi-buds-8-pro-with-55db-anc-ldac-and-spatial-audioRead 14 October 2026Spatial audio with head tracking uses a 6-axis gyroscope. The article also lists LHDC and a 35 h battery, which are the China model figures and conflict with the global FAQ, so only the gyroscope is used.10Retailer pagewlan-shop24.de/xiaomi-redmi-buds-8-pro-in-ear-headphones-55db-anc-hi-res-audio-bluetooth-5-4-obsidian-blackRead 14 October 2026Retailer spec table: 6-axis gyroscope. The table also lists 8.5 h and 35 h, which match the FAQ.

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.

Yes2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Not available

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

3 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.

S, M, L1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

S, M, L2Maker product pagemi.com/global/product/redmi-buds-8-pro/specsRead 14 October 2026Package Contents: S, L and M ear caps, 2 pieces each, M pre-installed.

Ear tip materials

Silicone4Owner's manualoneplus.com/content/dam/oneplus/2024/eu/store/safety_guide/OnePlus_Buds_4_Safety_Guide.pdfRead 8 October 2026

Silicone9Reviewsenses.se/en/review-redmi-buds-8-proRead 14 October 2026Silicone ear tips in S, M (pre-installed) and L.

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

Not available

Not available

Ear tip fit test

Yes3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026

Not available

Dust and water rating, buds

IP551Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

IP541Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Footnote 14: IP54 applies to the earbuds only, tested by TUV SUD (report 704202506085-00). The support FAQ says IPX4 for the earbuds, which agrees with the water part of IP54. The IP54 rating with the dust digit is stored.

Dust and water rating, case

Not available

IPX23Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Appearance Related Q2: the charging case has an IPX2 water resistance rating. The product page says IP54 applies to the earbuds only.

Water resistance depth

Not available

Not available

Software

2 of 6 differ

Companion app

HeyMelody and OnePlus Wireless Earphones3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026Original guide names built-in Wireless Earphones / OnePlus Buds settings on OnePlus phones and HeyMelody for other Android/iOS phones. Current US footnotes take precedence for advanced feature OS requirements.

Xiaomi Earbuds1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Xiaomi Earbuds app. Footnote 11 says it needs Android 7.0 or later or iOS 14.0 or later.

App platforms

Android, iOS3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026

Android, iOS1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Footnote 11: Google Play and the iOS App Store.

User firmware updates

Yes1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Yes3Maker product pagemi.com/global/support/faq/details/KA-666754Read 14 October 2026Wearing Related Q4 and the audio delay FAQ: keep the earbuds firmware and the Xiaomi Earbuds app updated.

Finding network

Not available

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Yes2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Not available

Dimensions and weight

2 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.

4.73g(0.2 oz)1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker single-earbud mass 4.73 ± 0.2 g. Empty-case mass is omitted because the linked workbook has 39.97 g and 39.57 g on differently keyed sheets without an exact colour/configuration bridge. Unlabelled dimension tuples do not establish axes.

5.3g(0.2 oz)2Maker product pagemi.com/global/product/redmi-buds-8-pro/specsRead 14 October 2026Weight of a single earbud 5.3 +/- 0.1 g.

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

Not available

Not available

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

Not available

36.3g(1.3 oz)2Maker product pagemi.com/global/product/redmi-buds-8-pro/specsRead 14 October 2026Weight of charging case 36.3 +/- 1 g. Total weight 46.9 +/- 1 g, which equals the case plus two earbuds, so 36.3 g is the empty case.

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

Not available

Not available

Certifications

0 of 3 differ

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

Hi-Res Audio Wireless2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Maker displays Hi-Res Audio Wireless branding and describes compatible LHDC 5.0 high-resolution playback.

Hi-Res Audio Wireless1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Certified by Hi-Res Audio Wireless with LDAC.

Communication certifications

Not available

Not available

FCC IDs

Not available

Not available

Other certifications

Not available

Not available

In the box

2 of 2 differ

In the box

OnePlus Buds 4 (one pair), OnePlus Buds 4 Charging Case, Type-C Charging Cable, Ear Tips (S, M, L pairs, M pre-installed), User Manual and Safety and Warranty1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

REDMI Buds 8 Pro x 1, Charging case x 1, Type-C charging cable x 1, User manual x 1, S ear cap 2pcs, L ear cap 2pcs, M ear cap 2pcs (pre-installed)2Maker product pagemi.com/global/product/redmi-buds-8-pro/specsRead 14 October 2026Package Contents list.

Cables included

AOnePlus Buds 4

Type	Count
USB-A to USB-C charging cable	1

Source5Measurementsoundguys.com/oneplus-buds-4-review-142159Read 8 October 2026Reviewer explicitly identifies the supplied cable as USB-A to USB-C. Length is not stated.

BRedmi Buds 8 Pro

Type	Count
USB-A to USB-C	1

Source2Maker product pagemi.com/global/product/redmi-buds-8-pro/specsRead 14 October 2026Package Contents: Type-C charging cable x 1. Senses says the cable is USB-A to USB-C.9Reviewsenses.se/en/review-redmi-buds-8-proRead 14 October 2026The review notes the included cable is USB-A to USB-C.

Links

Not compared

Product page

www.oneplus.com/us/oneplus-buds-41Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

www.mi.com/global/product/redmi-buds-8-pro1Maker product pagemi.com/global/product/redmi-buds-8-proRead 14 October 2026Global maker product page.

Spec sheet

www.oneplus.com/content/dam/oneplus/2025/specs/buds4/parameter-na-buds4-0701.xlsx1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Public maker workbook linked by the page. Rendered specifications select sheet P000001. The workbook also includes unselected P000002 with differing case mass and call-profile labels, so no exact colour-dependent case mass is inferred.

www.mi.com/global/product/redmi-buds-8-pro/specs2Maker product pagemi.com/global/product/redmi-buds-8-pro/specsRead 14 October 2026Global specs tab.

Manual

media.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20Manual3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026Maker-authored original two-page English/Hindi user guide hosted by the retailer. Its English page was read in full. Global model identity is separately confirmed by the original OnePlus safety document E513A.

Not available

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

None of 1 known

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.

Not available

Not available

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