Earbuds / Compare

OnePlus Buds 4 vs Sennheiser MOMENTUM True Wireless 5

A

Product A: OnePlus

Buds 4

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B

Product B: Sennheiser

MOMENTUM True Wireless 5

91 of 166 known

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Only differences

AOnePlus Buds 4

BSennheiser MOMENTUM True Wireless 5

General

3 of 8 differ

Series

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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.

700350, MTW5, MTW5 R, MTW5 L, MTW5 C1Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-5Read 8 October 2026Original Graphite standard earbuds/case bundle. Maker product variant data identifies Graphite SKU 700350. Manual title identifies marketed system MTW5 and its left/right/case regulatory component names.

GTIN / EAN

Not available

Not available

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

Not available

20 August 20262Press releasenewsroom.sennheiser.com/introducing-sennheiser-momentum-true-wireless-5-the-flagship-momentum-experience-in-your-pocketRead 8 October 2026

Status

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

Available1Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-5Read 8 October 2026

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.

Sennheiser MOMENTUM True Wireless 48Reviewwhathifi.com/headphones/wireless-earbuds/sennheisers-flagship-earbuds-are-back-to-battle-bose-and-sony-and-they-could-have-an-ace-up-their-sleeveRead 23 October 2026What Hi-Fi calls the MOMENTUM True Wireless 5 the sequel to the MOMENTUM True Wireless 4.

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

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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

$299.952Press releasenewsroom.sennheiser.com/introducing-sennheiser-momentum-true-wireless-5-the-flagship-momentum-experience-in-your-pocketRead 8 October 2026Maker explicitly states USD 299.95 launch MSRP. It is the standard earbuds/case bundle, not the optional BTD 700 package.

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

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

Not available

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ColoursiThe maker's own colour names

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

Graphite, Cream, Copper, Denim, Lavender2Press releasenewsroom.sennheiser.com/introducing-sennheiser-momentum-true-wireless-5-the-flagship-momentum-experience-in-your-pocketRead 8 October 2026Maker enumerates five unique launch colours. The English release repeats Graphite once in its prose list. The five distinct colour names match the product variants.

Segment

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

Music1Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-5Read 8 October 2026

Design

2 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-ear3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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

Stemless3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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

Not available

Either bud3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Page 28 says each earbud can be used independently. Brief interruption may occur when putting the other bud into the case.

RGB lighting

Not available

Not available

Drivers and sound

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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.

BSennheiser MOMENTUM True Wireless 5

Type	Role	Diameter (mm)	Count per earbud
Dynamic	Full range	7	1

Source3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Pages 44-45 and exact maker FAQ identify one 7 mm TrueResponse dynamic transducer per earbud. Microphones are not counted as drivers.

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

Not available

Dynamic3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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

11mm=CalculatedFrom Drivers per bud

7mm=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

1=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.

Not available

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.

Min5 HzMax21 kHz3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

Impedance

Not available

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

Not available

107dB3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Page 44 gives 107 dB SPL at 1 kHz for 1 mW. This is a maker claim, not an independent measurement.

Sensitivity reference

Not available

Per 1 mW3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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.

96kHz3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Pages 34-35: aptX Adaptive high-resolution mode requires compatible source and high-resolution content. 96 kHz/24-bit is lossy. Separate aptX Lossless mode is 44.1 kHz/16-bit, not lossless 96 kHz.

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.

24bits3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Same aptX Adaptive high-resolution host/content requirements. It does not apply to ordinary AAC playback on an iPhone.

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

Onboard EQ

Not available

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Page 33 explicitly states a selected EQ preset is stored in the earbuds and works without the app, including with another Bluetooth source.

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

83Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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

Not available

Volume limit

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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.

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.

Dolby Atmos3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Pages 33-34: Dolby Head Tracking responds to movement while sound remains anchored. Activate through Smart Control Plus. Full Atmos effect requires supported content.

Noise cancelling

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Active noise cancelling

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

Yes1Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-5Read 8 October 2026

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.

Hybrid1Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-5Read 8 October 2026

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.

42Press releasenewsroom.sennheiser.com/introducing-sennheiser-momentum-true-wireless-5-the-flagship-momentum-experience-in-your-pocketRead 8 October 2026Maker describes its dedicated four-microphone ANC array across the product, separately from six physical microphones used for voice capture.

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 pageus.sennheiser-hearing.com/products/momentum-true-wireless-5Read 8 October 2026

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

Not available

Not available

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.

Not available

Transparency mode

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

Adjustable transparency

Not available

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Pages 29-31 document Adaptive Anti-Wind processing. It is distinct from conversation-triggered attenuation, which is not inferred.

Measured

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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

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

Not available

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

Not available

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

Not available

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

Not available

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

Not available

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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

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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

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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

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

Not available

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

Not available

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

Not available

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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.

BSennheiser MOMENTUM True Wireless 5

ANC	Hours (h)
Yes	6.28

Source7Measurementsoundguys.com/sennheiser-momentum-true-wireless-5-review-161261Read 8 October 2026Exact model supplied by the maker and tested for two weeks. Charged to 100%, level-matched test track with ANC on ended after 6 h 17 min when the right earbud stopped, stored as 6.28 hours. Product review does not identify firmware, codec or fitted 72/87 mAh battery, so those conditions are not inferred. This is earbud-only runtime.

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)

6.28h=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

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

Not available

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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.

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.

62Press releasenewsroom.sennheiser.com/introducing-sennheiser-momentum-true-wireless-5-the-flagship-momentum-experience-in-your-pocketRead 8 October 2026Maker explicitly separates six physical microphones from two bone-conduction voice accelerometers across the pair. Sensors are excluded from physical voice microphone count.

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.

62Press releasenewsroom.sennheiser.com/introducing-sennheiser-momentum-true-wireless-5-the-flagship-momentum-experience-in-your-pocketRead 8 October 2026Six physical microphones across both earbuds. The eight-system-sensor headline includes two non-microphone voice accelerometers.

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

Yes2Press releasenewsroom.sennheiser.com/introducing-sennheiser-momentum-true-wireless-5-the-flagship-momentum-experience-in-your-pocketRead 8 October 2026Maker explicitly identifies dedicated bone-conduction voice accelerometers, beyond merely describing a generic motion sensor. They are separate from air-pressure microphones.

Mic noise reduction

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

AI1Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-5Read 8 October 2026

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

Not available

Super wideband5Maker product pagesupport.sennheiser-hearing.com/hc/en-us/articles/38498625385885-MOMENTUM-True-Wireless-5-OperationRead 8 October 2026Maker explicitly supports super-wideband calling, but the earbuds, source device and call app must all support the compatible Bluetooth call mode. Otherwise the call falls back. This is distinct from playback sample rate.

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Page 28 documents one tap on either bud during a call to mute/unmute microphones.

SidetoneiHear your own voice in calls

Not available

Yes7Measurementsoundguys.com/sennheiser-momentum-true-wireless-5-review-161261Read 8 October 2026Reviewer explicitly describes adjustable sidetone settings in the app. It is a call feature, not transparency control generally.

Connectivity

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Chip

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Not available

Connections

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

Bluetooth3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

Bluetooth

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

6.03Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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, aptX, aptX Adaptive, aptX Lossless3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

Bluetooth profiles

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

A2DP, AVRCP, HFP3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

LE Audio

Not available

No4Maker product pagesupport.sennheiser-hearing.com/hc/en-us/articles/38492910057245-MOMENTUM-True-Wireless-5-Before-you-startRead 8 October 2026Current exact maker FAQ explicitly says LC3/LE Audio support will be enabled in a future firmware update. No future capability is represented as currently available.

Auracast

Not available

No4Maker product pagesupport.sennheiser-hearing.com/hc/en-us/articles/38492910057245-MOMENTUM-True-Wireless-5-Before-you-startRead 8 October 2026Same current maker FAQ future-firmware condition. Current product review also says it is not yet enabled.

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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

23Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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

64Maker product pagesupport.sennheiser-hearing.com/hc/en-us/articles/38492910057245-MOMENTUM-True-Wireless-5-Before-you-startRead 8 October 2026Exact maker FAQ: six saved Bluetooth devices, separate from two concurrent connections.

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 Pair4Maker product pagesupport.sennheiser-hearing.com/hc/en-us/articles/38492910057245-MOMENTUM-True-Wireless-5-Before-you-startRead 8 October 2026

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

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

Not available

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.

BSennheiser MOMENTUM True Wireless 5

Not available

Lowest claimed latency

47ms=CalculatedFrom Claimed latency

Not available

Compatibility

4 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, Windows, macOS4Maker product pagesupport.sennheiser-hearing.com/hc/en-us/articles/38492910057245-MOMENTUM-True-Wireless-5-Before-you-startRead 8 October 2026FAQ explicitly supports native iPhone/Android Bluetooth and optional BTD 700 Bluetooth transmitter operation with Windows/macOS/Android/iOS USB sources. Each platform is supported by a documented path, not by app availability alone.

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.

BSennheiser MOMENTUM True Wireless 5

Platform	Connection
Android	Bluetooth
iOS	Bluetooth
Windows	Bluetooth
macOS	Bluetooth

Source4Maker product pagesupport.sennheiser-hearing.com/hc/en-us/articles/38492910057245-MOMENTUM-True-Wireless-5-Before-you-startRead 8 October 2026The audio reaching the earbuds is Bluetooth, including when a USB source uses the optional BTD 700 transmitter. Per-platform microphone operation is not separately asserted.

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.

BSennheiser MOMENTUM True Wireless 5

Feature	Needs
aptX Adaptive high-resolution playback	Compatible aptX Adaptive source and high-resolution audio. Select 24-bit/96 kHz in Smart Control Plus. Native iPhone Bluetooth uses AAC or SBC.
aptX Lossless playback	Compatible aptX Lossless source. Separate 16-bit/44.1 kHz lossless mode, not 96 kHz lossless.
LE Audio and Auracast	Maker FAQ says future firmware will enable these hardware capabilities. No released enabling firmware is proven as of this research.
Bluetooth multipoint	Enable in Smart Control Plus. Two concurrent source devices, six saved pairings. Only one device plays audio at a time.
High-resolution playback from USB sources	Optional Sennheiser BTD 700 Bluetooth transmitter on compatible Android, iOS/iPadOS, Windows or macOS USB ports. This is a Bluetooth audio path, not direct earbud USB or proprietary 2.4 GHz audio.
Sound Personalization	Smart Control Plus and a Sennheiser account.

Source4Maker product pagesupport.sennheiser-hearing.com/hc/en-us/articles/38492910057245-MOMENTUM-True-Wireless-5-Before-you-startRead 8 October 2026Exact maker codec and connectivity FAQ plus manual pages 33-35. The profile and account restrictions are not omitted.

Official licence

Not available

Made for iPhone, Works with Android4Maker product pagesupport.sennheiser-hearing.com/hc/en-us/articles/38492910057245-MOMENTUM-True-Wireless-5-Before-you-startRead 8 October 2026

Battery and charging

11 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.

Not available

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.

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Pages 38-40 document normal replacement with a PH000 screwdriver (not included) and supplied earbud opening tool. The compatible BA 501 set is available in selected markets. The installed earbud cell may be 72 mAh at 3.8 V or 87 mAh at 3.85 V, so battery_capacity_mah is omitted.

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.

BSennheiser MOMENTUM True Wireless 5

Mode	Includes case recharges	Hours (h)
ANC off	No	12
ANC on	No	6
Not available	Yes	40

Source3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Page 44 maker claims: earbuds 12 h ANC off and 6 h ANC on. Total including case is 40 h, with ANC state not separately identified in the manual. Test source is an iPhone at mid volume. Actual codec, firmware and Atmos state are not stated and remain omitted.

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

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.

6h=CalculatedFrom Claimed battery life

6h=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

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.

45h=CalculatedFrom Claimed battery life

40h=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

Not available

Talk time (claimed)

6h=CalculatedFrom Claimed battery life

Not available

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

Not available

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

8min3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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.

1h3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Page 14: eight minutes charging gives approximately one hour of playback. ANC, codec, test volume and source are not separately specified. The separate 90-minute complete charging cycle includes both case and earbuds, so neither single-component full charge field is populated.

Charging case

4 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.

760mAh1Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-5Read 8 October 2026Maker nominal case cell capacity 760 mAh. Manual gives 3.7 V and 2.812 Wh for the installed case pack, separately from earbuds and charging output.

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.

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Page 40 documents the case bottom screw, sliding battery cover and replacement procedure with a PH000 screwdriver. Compatible BA 502 case pack is separately specified.

Case charging port

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

USB-C3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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.

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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

Not available

Qi3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Manual calls the case Qi-compatible and references Qi version 2.1. This is not evidence of Qi2 magnetic alignment, Qi2_2, or a separate numeric wireless power ceiling.

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

4 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

Touch3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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

Touch3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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, Double tap, Touch and hold3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

Remappable controls

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Page 28: touch assignments can be customized or disabled. Basic call controls cannot all be reassigned.

Voice assistant

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

Apple Siri, Google Assistant3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

Sensors and health

2 of 9 differ

In-ear detection

Not available

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

Sensors

Not available

Infrared proximity sensor, Bone-conduction voice accelerometers3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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

Yes7Measurementsoundguys.com/sennheiser-momentum-true-wireless-5-review-161261Read 8 October 2026Reviewer explicitly identifies a hearing-test personalization feature requiring a Sennheiser account. It is not claimed as a medical diagnostic hearing test.

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

XS, S, M, L3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Page 6 includes all four silicone tip sizes. The review table that lists only S/M/L does not override the manual.

Ear tip materials

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

Silicone3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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

Not available

None7Measurementsoundguys.com/sennheiser-momentum-true-wireless-5-review-161261Read 8 October 2026Review explicitly lists no stabilizer. Silicone ear tips are not wing tips or stability bands.

Ear tip fit test

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

Dust and water rating, buds

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

IP541Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-5Read 8 October 2026

Dust and water rating, case

Not available

Not available

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.

Sennheiser Smart Control Plus3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

App platforms

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

Android, iOS3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

User firmware updates

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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.

7g(0.2 oz)3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Page 45 gives approximately 7 g per earbud. Its 55 g empty case and 69 g combined mass are consistent. It takes precedence over the live US product page erroneous 62 g combined figure.

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

55g(1.9 oz)3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Page 45 approximately 55 g empty case, separately from two earbuds. No combined mass is used as the case mass.

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

1 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.

Not available

Communication certifications

Not available

Not available

FCC IDs

Not available

2A3ULMTW56Regulatory filingcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/1785221532876-MTW5_CS_599914_20260423_A01_INT.pdfRead 8 October 2026Original maker Compliance Information table identifies this shared US identifier for left and right MTW5 earbuds. The charging case has a dash rather than a published FCC ID and is not assigned this earbud identifier.

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

MOMENTUM True Wireless 5 earbuds, Charging case, USB-C charging cable, Silicone ear tips (XS, S, M, L), Special earbud opening tool, Quick guide, Safety guide, Compliance sheet, Battery information sheet3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Page 6 exact manual package list. PH000 screwdriver is required for batteries but is not supplied. Optional Bluetooth adapters are not included.

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.

BSennheiser MOMENTUM True Wireless 5

Type	Length (m)	Count
USB-C to USB-C charging cable	0.4	1

Source3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026Manual page 6 identifies the supplied USB cable with two USB-C connectors and approximate length 0.4 m. Page 15 confirms both connector ends. Stored length is the published nominal figure, not a measured cable length.

Links

Not compared

Product page

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

us.sennheiser-hearing.com/products/momentum-true-wireless-51Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-5Read 8 October 2026

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.

cdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdf1Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-5Read 8 October 2026Original maker manual includes exact model specifications on pages 44-46. Bud capacity is left unknown because it explicitly allows both 72 mAh and 87 mAh packs.

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.

cdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdf3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-5/instruction-manual/MTW5_Manual_EN.pdfRead 8 October 2026

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.