Headsets and headphones / Compare

Razer Kraken V4 vs Shokz OpenSwim Pro

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Product A: Razer

Kraken V4

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B

Product B: Shokz

OpenSwim Pro

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Every value links to where we found it.

Only differences

ARazer Kraken V4

BShokz OpenSwim Pro

General

7 of 8 differ

Series

Kraken1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Product family Razer Kraken.

Not available

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

RZ04-05170100-R3U1, RZ04-05170100-R3M11Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026US store SKU RZ04-05170100-R3U1. The EU store lists RZ04-05170100-R3M1.2Maker product pagerazer.com/eu-en/gaming-headsets/razer-kraken-v4Read 10 October 2026EU store SKU RZ04-05170100-R3M1.

S710, S710GY, S710RD1Maker product pageuk.shokz.com/products/openswim-proRead 23 October 2026Reference is original S710 with 4-pin magnetic charging. Current UK sold variants explicitly SKU S710GY Gray and S710RD Red in structured product data. S711 and USB-C revisions are excluded.

GTIN / EAN

Not available

810092678595, 8100926786011Maker product pageuk.shokz.com/products/openswim-proRead 23 October 2026Maker structured variants: Gray S710GY barcode 810092678595, Red S710RD barcode 810092678601.

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

20 August 20243Press releaserazer.com/newsroom/product-news/introducing-the-razer-kraken-v4-lineRead 10 October 2026Press release dated August 20, 2024.

8 January 20244Press articlesoundguys.com/shokz-openswim-pro-announcement-107288Read 23 October 2026January 8 2024 CES announcement coverage. Retail availability was later in June. Pre-release Bluetooth 5.3 claim is superseded by maker S710 sheet 5.4.

Status

Available1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026On sale at $179.99 on the US store.

Available1Maker product pageuk.shokz.com/products/openswim-proRead 23 October 2026

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

Not available

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.

$179.993Press releaserazer.com/newsroom/product-news/introducing-the-razer-kraken-v4-lineRead 10 October 2026Razer Kraken V4 MSRP $179.99 USD. US prices exclude sales tax.7Press articlekitguru.net/peripherals/headphones/joao-silva/razer-introduces-the-kraken-v4-headset-seriesRead 10 October 2026Now available for GBP 179.99 / USD 179.99 / EUR 199.99.

$179.952Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026Maker S710 sheet first page states RRP $179.95 USD, excluding tax. Home Depot mirror.

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.

€199.993Press releaserazer.com/newsroom/product-news/introducing-the-razer-kraken-v4-lineRead 10 October 2026Razer Kraken V4 MSRP 199.99 EUR as published for consumers.7Press articlekitguru.net/peripherals/headphones/joao-silva/razer-introduces-the-kraken-v4-headset-seriesRead 10 October 2026Now available for GBP 179.99 / USD 179.99 / EUR 199.99.

€1995Press articlenotebookcheck.com/Shokz-OpenSwim-Pro-Wasserdichte-Knochenschall-Kopfhoerer-fuer-Sportler-mit-Bluetooth-und-32-GB-MP3-Player-erhaeltlich.844320.0.htmlRead 23 October 2026June 5 2024 German launch report gives EUR 199 MSRP. VAT included as published.

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

US, EU1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026US store and EU store pages list this headset.2Maker product pagerazer.com/eu-en/gaming-headsets/razer-kraken-v4Read 10 October 2026EU store page.

Not available

ColoursiThe maker's own colour names

Black1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Color / Design: Black.

Gray, Red1Maker product pageuk.shokz.com/products/openswim-proRead 23 October 2026

Segment

Gaming1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Sold as a wireless gaming headset.

Sport1Maker product pageuk.shokz.com/products/openswim-proRead 23 October 2026Maker water sports flagship for swimmers and athletes.

Design

6 of 7 differ

Form factor

Over-ear6Reviewthumbculture.co.uk/razer-kraken-v4-headset-reviewRead 10 October 2026Large ear cups that fit over the ears.

Open-ear6Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026

Ear cup enclosureiClosed, open or semi-open acoustic enclosure. This does not describe how the headset folds.

Closed6Reviewthumbculture.co.uk/razer-kraken-v4-headset-reviewRead 10 October 2026Review states it is a closed-back headset.

Not available

Wearing style

Headband1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Headset with a headband and ear cups.

Neckband7Owner's manualcdn.shopify.com/s/files/1/0074/1890/4612/files/OpenSwim_Pro_User_Guide.pdfRead 23 October 2026How to Wear: bring headphone behind base of neck and place ear hooks over ears.

FoldingiFlat means the ear cups rotate flat. Inward means the ear cups fold toward the headband.

Flat5Reviewtechradar.com/gaming/razer-kraken-v4-reviewRead 10 October 2026The drivers swivel 90 degrees, which makes them easier to hang around your neck and store. This is rotation, not inward folding.

Not available

Swivelling ear cupsiEar cups can rotate relative to the headband. Tilting alone does not count.

Yes1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Swivel mechanism: added comfort and improved sealing.5Reviewtechradar.com/gaming/razer-kraken-v4-reviewRead 10 October 2026The drivers swivel 90 degrees.

Not available

RGB lighting

Yes1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Lighting: Razer Chroma RGB. The page and press release call it 9-zone earcup lighting. The count is not stored because it is not stated whether the nine zones are per ear cup or in total.

Not available

Lighting zonesiNumber of independently controllable lighting areas across both ear cups.

Not available

Not available

Drivers and sound

8 of 20 differ

Driver type

Not available

Bone conduction6Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026

Driver sizeiDiameter of the largest sound driver. Do not use the microphone capsule diameter.

40mm1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Specifications: Driver specifications 40 mm. Driver type Razer TriForce Titanium.

Not available

Drivers per sideiNumber of sound-producing transducers in one side, excluding microphones.

Not available

Not available

Diaphragm material

Not available

Not available

Magnet

Not available

Not available

Frequency response (wired or passive)iPublished acoustic range for wired listening, or the maker’s single range when no mode is distinguished. Power state and test standard belong in the source note.

Min20 HzMax28 kHz1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Frequency Response 20 Hz - 28 kHz.

Min20 HzMax20 kHz6Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026Maker single acoustic response 20 Hz to 20 kHz. Not a wireless transmission passband.

Wireless audio transmission bandiFrequency range of audio transmitted over the wireless connection, not the acoustic response of the driver. Codec, sampling rate and bitrate conditions belong in the source note. When the maker gives a range per codec, the widest range is stored and its codec goes in the source note.

Not available

Not available

Impedance (passive when specified)iUse the headset-off value for a passive analog connection when the maker publishes both powered and passive values. Note the power state and test frequency.

32Ω1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Impedance 32 ohm (1 kHz).

Not available

Sensitivity (passive when specified)iUse the headset-off figure when both powered and passive values exist. The power or voltage reference, test distance and frequency belong in the source note.

98dB1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Sensitivity 98 dBSPL / mW at 1 kHz by HATS.

105dB6Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026Maker 105 dB plus or minus 3 dB. Power/voltage reference, test frequency and distance not published, so reference enum omitted.

Sensitivity referenceiPublished power or voltage reference for sensitivity. Do not assume 1 mW when the source gives only a dB value.

Per 1 mW1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Specified per mW.

Not available

THD (claimed)iPublished distortion figure or numerical upper bound. The source note states any less-than sign and test level.

Not available

Not available

Max input power

Not available

Not available

Max digital audio sample rateiHighest supported digital audio sample rate over a USB cable or wireless dongle. This is not the microphone rate or acoustic frequency response.

Not available

Not available

Max digital audio bit depthiHighest published digital playback bit depth over a USB cable or wireless dongle.

Not available

Not available

DAC

Not available

Not available

Personalised soundiA manufacturer-supported hearing test or ear scan creates a device sound profile tailored to the listener. Generic equalizer adjustments do not count.

Not available

Not available

Onboard EQiCustom playback EQ profiles stored in the headset and applied without the host app running. Note supported active connections. Receiver-only or software-only EQ does not count.

Yes4Reviewpcgamer.com/hardware/gaming-headsets/razer-kraken-v4-reviewRead 10 October 2026Spec box lists on-board audio profiles. The profiles can be cycled with a button on the headset. Which connections apply is not stated.5Reviewtechradar.com/gaming/razer-kraken-v4-reviewRead 10 October 2026Sound modes can be toggled via a button on the headset.

No12Revieweverydaylistening.net/2025/02/20/shokz-openswim-pro-review/2Read 23 October 2026App Integration explicitly says users cannot create custom EQ profiles. Built-in presets exist separately.

Custom EQ bandsiNumber of bands in the custom playback equalizer. Microphone EQ bands are excluded.

Not available

Not available

EQ presets

Game, Movie, Music, Custom1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026FAQ: Game, Movie and Music EQ, and a fourth Custom EQ that can be personalised in Razer Synapse.

Standard Mode, Vocal Booster Mode, Swimming Mode7Owner's manualcdn.shopify.com/s/files/1/0074/1890/4612/files/OpenSwim_Pro_User_Guide.pdfRead 23 October 2026EQ Modes: Standard and Vocal Booster for Bluetooth. Standard and Swimming for local MP3 mode.

Volume limit

Not available

Not available

Spatial audio

2 of 3 differ

Spatial audio supportiNamed headset or host spatial-audio systems that the maker or reviewer explicitly supports. A platform feature may require compatible hardware, software or a separate licence.

THX Spatial Audio1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Virtual Surround Encoding: THX Spatial Audio. Only available on Windows 11 64-bit or higher per the specification, and the FAQ says it comes automatically.3Press releaserazer.com/newsroom/product-news/introducing-the-razer-kraken-v4-lineRead 10 October 2026THX Spatial Audio with 7.1 surround sound.

Not available

Spatial audio licence includediA paid spatial-audio licence is bundled or embedded. Compatibility with a separately purchased app does not count.

Yes1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026FAQ: THX Spatial Audio comes automatically with the headset and is integrated within Razer Synapse.

Not available

Head tracking

Not available

Not available

Noise cancelling

0 of 10 differ

Active noise cancelling

No1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Noise Cancelling: None.

No14Reviewtomsguide.com/us/best-sport-headphones,review-5567.htmlRead 23 October 2026OpenSwim Pro entry explicitly lists ANC No. Call ENC/DNS processing is separate.

ANC typeiFeedforward uses outside microphones. Feedback uses inside microphones. Hybrid uses both. Voice-call noise filtering is separate.

Not available

Not available

ANC microphonesiTotal microphones used for active playback noise cancellation across both sides. Do not substitute the total physical or voice microphone count.

Not available

Not available

Adaptive ANCiNoise cancellation automatically changes with the environment or fit. Manually choosing a level does not count.

Not available

Not available

ANC levelsiNumber of adjustable cancellation strength steps. Off and transparency modes are excluded.

Not available

Not available

ANC attenuation (claimed)

Not available

Not available

Transparency mode

Not available

Not available

Adjustable transparency

Not available

Not available

Conversation detectioniAudio pauses or lowers automatically when the wearer speaks. Voice assistant activation does not count.

Not available

Not available

Wind noise reduction

Not available

Not available

Measured

1 of 21 differ

Frequency response notesiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Bass amountiReviewer’s bass deviation from its stated target. Positive is more bass. Target and test method belong in the source note.

Not available

Not available

Treble amountiReviewer’s treble deviation from its stated target. Positive is more treble. Target and test method belong in the source note.

Not available

Not available

Deviation from targetiReviewer’s full-range error from its target curve. Do not substitute a regional bass or treble error.

Not available

Not available

Consistency between fittingsiReviewer’s standard deviation across repeated fittings. Test rig and fitting procedure belong in the source note.

Not available

Not available

Harmonic distortioniIndependently measured harmonic distortion, with test level and method in the source note.

Not available

Not available

Sound leakageiIndependently measured leakage at 30 cm. Playback level and method belong in the source note.

Not available

Not available

Measured noise isolationiIndependently measured attenuation. Positive values mean more noise reduction. ANC state, rig and frequency bands belong in the source note.

Not available

Not available

Noise isolation (measured, best)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

Mic quality notesiMeasured by a reviewer, not claimed by the maker

Not available

Office and commuting calls are audible but lack clarity and volume. Background filtering can make the voice sound robotic. Heavy wind and loud noise reduce call quality.12Revieweverydaylistening.net/2025/02/20/shokz-openswim-pro-review/2Read 23 October 2026Reviewer phone-call trials while commuting, in office and windy cycling. Firmware R_12_20241012. Recipient feedback, no numeric SNR or bandwidth. No sibling measurements used.

Mic low-frequency extensioniMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic high-frequency extensioniMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic speech-to-noise ratioiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Measured latencyiEnd-to-end latency measured by a reviewer for a specific connection, platform and codec. Firmware, method and operating mode belong in the source note.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Measured battery lifeiReviewer’s continuous playback test. State the connection, ANC and lighting where known. Unknown settings stay omitted and are described in the source note.

Not available

Not available

Battery life (measured, max)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Clamping forceiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Weight (measured)iIndependently weighed headset. A review that repeats the maker’s number does not qualify. Cable and microphone inclusion belong in the source note.

Not available

Not available

Microphone

7 of 16 differ

MicrophoneiMain microphone used for speech. Secondary internal microphones may be described in the source note.

Retractable boom1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Retractable Razer HyperClear Super Wideband Mic with a flexible gooseneck.

Built-in8Retailer pagecfazmedia.memoryexpress.com/products/MX00131458/html/content.htmlRead 23 October 2026Exact S710-ST-GY-CA-326 specifies dual noise-cancelling call microphones. Built-in location corroborated by S710 review.

Microphone element

Not available

Not available

Microphone pickup patterniUse the maker’s exact named pattern. Unidirectional does not establish whether the capsule is cardioid, supercardioid or hypercardioid.

Unidirectional1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Pick-up Pattern: Unidirectional.4Reviewpcgamer.com/hardware/gaming-headsets/razer-kraken-v4-reviewRead 10 October 2026Spec box: retractable unidirectional Razer HyperClear Super Wideband.

Not available

Voice microphonesiTotal microphones used for voice pickup or beamforming across both sides. ANC-only microphones are excluded.

Not available

28Retailer pagecfazmedia.memoryexpress.com/products/MX00131458/html/content.htmlRead 23 October 2026Exact S710 specification says Dual Noise-Canceling Mic. Call microphones only, physical total not inferred.

Total microphonesiEvery physical microphone across the headset, including call, ANC and calibration microphones. Shared microphones count once. Excludes microphones in charging cases or receivers, and vibration sensors. Use an explicitly published physical total, never a sum of overlapping role counts.

Not available

Not available

Mic frequency responseiAcoustic microphone response, not its digital sampling rate. Connection-specific ranges belong in the source note.

Min100 HzMax10 kHz1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026

Not available

Mic sensitivityiPublished microphone sensitivity. Reference such as dBV/Pa or dBFS, frequency and distance belong in the source note.

-42dB1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Microphone Sensitivity -42 +/- 3 dBV/Pa at 1 kHz.

-38dB6Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026Maker -38 dB plus or minus 1 dB. Electrical reference and measurement conditions not published.

Mic signal-to-noiseiPublished microphone signal-to-noise ratio. Minimum or typical conditions belong in the source note.

Not available

Not available

Mic sample rateiExplicitly published digital microphone capture or speech sampling rate. State the audio route in the source note, or say it is unpublished. Internal capture does not prove the effective rate on every connection. Acoustic bandwidth, playback rate and generic microphone-chip capability do not qualify.

Not available

Not available

Mic noise reductioniProcessing that removes noise from transmitted speech. Playback ANC and a directional microphone alone do not count.

Not available

DSP9Maker product pageuk.shokz.com/products/openswim-proRead 23 October 2026Noise-Free Conversing names ENC and DNS processing to remove background noise and echoes. No AI processing claimed for S710.

Flip to mute

Not available

Not available

Mute button

Yes1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Other Controls: Mic Mute Button, Game/Chat Balance Button, Razer SmartSwitch Button.

Yes11Owner's manualcdn.shopify.com/s/files/1/0074/1890/4612/files/OpenSwim_Pro_User_Guide.pdfRead 23 October 2026More Functions: hold Volume+ and Volume- together 2 seconds during phone call to mute/unmute. Applies to phone calls, not online calls.

Mute indicatoriPublished indication of microphone mute. mechanical_marker is a visible physical marker showing the microphone's mute-switch position. LED options require an electronic light. The in-line controller option is for a mute light on a cable remote.

Not available

Not available

Sidetone

Yes6Reviewthumbculture.co.uk/razer-kraken-v4-headset-reviewRead 10 October 2026Mic monitoring can be set up in the Synapse app and helps with shouting. The monitoring level is not stated as adjustable.

Not available

Adjustable sidetone

Not available

Not available

Foam microphone windscreeniA foam cover for the voice microphone. An internal metal mesh pop filter does not count.

Not available

Not available

Connectivity

9 of 20 differ

Audio connectionsiConnections that carry playback audio. Charging or firmware USB alone does not count as USB audio.

USB, 2.4 GHz, Bluetooth1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 20262.4GHz wireless through the Type C dongle, Bluetooth 5.3 and USB wired through the Type C to Type A cable.

Bluetooth7Owner's manualcdn.shopify.com/s/files/1/0074/1890/4612/files/OpenSwim_Pro_User_Guide.pdfRead 23 October 2026Bluetooth playback plus standalone MP3 storage. Magnetic USB cable transfers files, not live USB audio. Local playback has no schema connection enum.

Analog source plugsiAnalog plug(s) supplied for the source device, including adapters. The headset-side jack is listed separately.

Not available

Not available

Cable connector on headsetiConnection used by the playback cable at the headset. A fixed cable is not replaceable through a headset jack.

Not available

Not available

Longest included cableiLength of the longest supplied cable, including charging and dongle cables. Individual cable lengths are listed in Cables included.

Not available

Not available

Headset USB plug or portiUSB plug or port on the headset or its included wired audio adapter. A charging-only USB port can appear here.

USB-C1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026The headset charges and connects over USB-C. Cable is USB Type C to Type A.

Not available

Audio over USB-C cableiPlayback through a USB-C cable or included wired USB-C audio adapter. A charging-only USB-C port does not count.

Yes1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026FAQ: USB-wired via the provided USB Type C to Type A cable, which acts as both a charging and audio cable.

No12Revieweverydaylistening.net/2025/02/20/shokz-openswim-pro-review/2Read 23 October 2026Controls and Charging states proprietary magnetic charging and file-transfer cable, no Type-C port.

Passive wired listeningiAnalog playback works with the headset powered off or its battery empty. An active analog converter that needs headset power does not count.

Not available

Not available

Wireless receiveriDedicated wireless audio receiver or dongle. A wired USB sound card does not count.

Included1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026The Type C Razer HyperSpeed wireless dongle is provided.

Not available

Wireless receiver connectoriPhysical USB connector on the receiver. Supplied extension cables and adapters are explained in the source note. Both means two native connector types.

USB-C1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026USB Type C dongle. A USB-C to USB-A adapter for the dongle is in the box according to PC Gamer.

Not available

Wireless range (claimed)iMaker’s advertised wireless range. Connection and indoor or outdoor conditions belong in the source note. Measured distance is not stored here.

Not available

10m6Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026Published 33 ft (10 m). Stored maker metric value. Environment unspecified.

Bluetooth

5.31Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Bluetooth 5.3

5.46Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026Exact original SHOKZ S710 sheet explicitly 5.4. This is not borrowed from S711.

Bluetooth codecsiNamed Bluetooth audio codecs supported by this exact model. Host, firmware and operating-mode restrictions belong in the source note.

AAC, SBC1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Bluetooth Codec: AAC, SBC.

AAC, SBC6Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026

LE AudioiLE Audio playback support. Bluetooth Low Energy for app control alone does not count.

Not available

Not available

AuracastiAuracast broadcast audio support. Required phone, firmware and app conditions belong in the source note.

Not available

Not available

Bluetooth multipointiCan remain connected to multiple Bluetooth source devices at once. Mixing Bluetooth with a proprietary dongle is a separate field. A maker's dual connection to two Bluetooth devices at once counts.

Not available

Yes7Owner's manualcdn.shopify.com/s/files/1/0074/1890/4612/files/OpenSwim_Pro_User_Guide.pdfRead 23 October 2026

Multipoint devicesiNumber of Bluetooth source devices connected at once, not the number remembered for later pairing.

Not available

27Owner's manualcdn.shopify.com/s/files/1/0074/1890/4612/files/OpenSwim_Pro_User_Guide.pdfRead 23 October 2026Multipoint Pairing chapter explicitly connects two Bluetooth devices simultaneously.

Paired devices remembered

Not available

Not available

Mixes 2.4 GHz and Bluetooth audioiPlays both wireless audio streams at the same time. Automatic switching or Bluetooth standby does not count.

Not available

Not available

Fast pairing

Not available

Not available

Base station

Not available

Not available

Latency

1 of 2 differ

Low latency modeiA selectable mode intended to reduce audio delay. A low-latency connection without a distinct mode does not count.

Not available

Not available

Claimed latencyiMaker’s claimed delay for the stated connection and mode. Minimum claims and host restrictions belong in the source note.

ARazer Kraken V4

Connection	Latency (ms)
2.4 GHz	20

Source1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026FAQ: HyperSpeed Wireless (2.4GHz) has an ultra-low latency of 20 ms. No test mode or condition is stated.

BShokz OpenSwim Pro

Not available

Compatibility

2 of 3 differ

Compatible platformsiPlatforms with a documented audio path. This does not imply every connection or microphone function works. Platform editions must be checked individually.

Windows, macOS, PS5, PS4, Nintendo Switch, SteamOS, Android, iOS1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Compatibility: PC and Mac, PlayStation, Nintendo Switch, Steam Deck, mobile devices, Android, iOS. Xbox is not listed.

Not available

Connection per platformiOnly explicitly documented playback paths for the exact model. Microphone support is separate. Leave unknown microphone support omitted. An Xbox and a PlayStation edition of one headset can connect differently, so it is per variant.

ARazer Kraken V4

Platform	Connection
Windows	2.4 GHz
Windows	USB
macOS	2.4 GHz
macOS	USB
PS5	2.4 GHz
PS5	USB
PS4	2.4 GHz
PS4	USB
Nintendo Switch	2.4 GHz
Nintendo Switch	Bluetooth
Nintendo Switch	USB
SteamOS	2.4 GHz
SteamOS	USB
Android	Bluetooth
Android	USB
iOS	Bluetooth
iOS	USB

Source1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Compatibility list gives wireless and wired for PC and Mac, PlayStation, Nintendo Switch, Steam Deck and mobile devices. Wireless covers the 2.4GHz dongle and Bluetooth. The Nintendo Switch Bluetooth row comes from TechRadar. PlayStation uses the dongle for wireless since the console has no Bluetooth audio.5Reviewtechradar.com/gaming/razer-kraken-v4-reviewRead 10 October 2026Connecting via Bluetooth to the Switch is easy. The PS5 does not support Bluetooth audio, so it connects wirelessly only through the 2.4GHz dongle. Xbox is not compatible.

BShokz OpenSwim Pro

Not available

Official licence

Not available

Not available

Battery and charging

9 of 13 differ

Battery capacityiRated capacity of one headset battery. Do not use case, receiver or total multi-battery capacity.

Not available

160mAh10Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026160 mAh minimum headset battery capacity, as published.

Swappable batteryiBattery can be exchanged by the user as part of normal operation. Service or recycling disassembly does not count.

Not available

Not available

Batteries includediNumber of headset batteries supplied, including the one already installed.

Not available

Not available

Claimed battery lifeiMaker’s maximum playback time per stated connection, codec, ANC, spatial audio and lighting settings. Name the spatial processing mode and other conditions in the source note. Unknown settings stay omitted.

ARazer Kraken V4

Connection	ANC	Lighting	Hours (h)
2.4 GHz	No	No	70
2.4 GHz	No	Yes	35

Source1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Up to 70 hours (Lighting OFF, 2.4 GHz connection). Up to 35 hours (Lighting ON, 2.4 GHz connection).

BShokz OpenSwim Pro

Connection	Hours (h)
Bluetooth	9

Source10Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026S710 claims 9 hours Bluetooth and 6 hours standalone MP3. Only Bluetooth row fits connection enum. Volume/codec/ANC settings unspecified in this sheet.

Battery life (claimed, max)

70h=CalculatedFrom Claimed battery life

9h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

Not available

Not available

Battery life without ANC (claimed)

70h=CalculatedFrom Claimed battery life

Not available

Charging port

USB-C1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026FAQ: charging through the included USB Type C to A cable.

Not available

Full charge timeiPublished time to fully charge a depleted headset. In-use charging can take longer.

240min1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026FAQ: a full charge will take around 4 hours. Stored as 240 min.

90min10Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026Sheet says 90 minutes. Maker FAQ explicitly says from 0 to 100 percent.

Quick charge timeiCharge duration in the maker’s quick-charge claim. Read together with Quick charge playback.

15min1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026FAQ: 15 minutes of charge yields approximately 6 hours of play time.

10min10Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026

Quick charge playbackiPlayback gained from Quick charge time. Charger power, codec, volume and ANC conditions belong in the source note.

6h1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026FAQ: 15 minutes of charge yields approximately 6 hours of play time. Charger power and connection are not stated.

3h10Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 202610-minute charge for 3 hours music playback. Mode, volume and codec unstated.

Use while charging

Yes1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026FAQ: the headset still maintains full function while connected to a system or power source via the included cable.

No11Owner's manualcdn.shopify.com/s/files/1/0074/1890/4612/files/OpenSwim_Pro_User_Guide.pdfRead 23 October 2026Charging Tips explicitly says headphone automatically shuts down when charging.

Charging dock or stand

Not available

Not available

Controls

4 of 6 differ

Controls

Buttons, Volume wheel1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Volume Dial plus the Mic Mute, Game/Chat Balance and SmartSwitch buttons.

Buttons11Owner's manualcdn.shopify.com/s/files/1/0074/1890/4612/files/OpenSwim_Pro_User_Guide.pdfRead 23 October 2026

Volume control

Wheel1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Volume Control: Volume Dial.

Buttons11Owner's manualcdn.shopify.com/s/files/1/0074/1890/4612/files/OpenSwim_Pro_User_Guide.pdfRead 23 October 2026

Game and chat mixiBalances separate game and chat audio streams. Mixing Bluetooth and dongle source volume alone does not count. Supported platforms belong in the source note.

Hardware dial1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Game/chat balance through the on-earcup button and the volume dial, also in Razer Synapse.

Not available

Remappable controlsiOn-device button, touch or dial functions can be reassigned. Changing EQ alone does not count.

Not available

Yes11Owner's manualcdn.shopify.com/s/files/1/0074/1890/4612/files/OpenSwim_Pro_User_Guide.pdfRead 23 October 2026More Functions and mode-switch chapters explicitly allow redefinition of some buttons through Shokz App.

Wear detection

Not available

Not available

Voice assistant

Not available

Not available

Comfort and build

5 of 11 differ

Headband type

Padded5Reviewtechradar.com/gaming/razer-kraken-v4-reviewRead 10 October 2026The padding on the headband and earcups is soft and well-cushioned.

Not available

Headband material

Not available

Not available

Frame material

Plastic5Reviewtechradar.com/gaming/razer-kraken-v4-reviewRead 10 October 2026Review says the V4 is all plastic.

Nickel-titanium alloy with silicone exterior13Revieweverydaylistening.net/2025/02/20/shokz-openswim-pro-reviewRead 23 October 2026Design explicitly identifies nickel-titanium chassis and silicone exterior. Original magnetic charging hardware, before later S711 revision.

Ear cup material

Not available

Not available

Ear pad material

Breathable fabric with memory foam cushions1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Earpads material: Breathable Fabric with Memory Foam Cushions. Earcups: Oval Ear Cushions.

Not available

Replaceable ear pads

Not available

Not available

Ear pad attachmentiHow a replacement ear pad attaches to the ear cup, not how the decorative outer cover attaches. A press-fit or snap-on pad counts as clip.

Not available

Not available

Ear pad openingiUsable opening inside an ear pad, excluding the outer cushion. Depth is the internal space between pad surface and driver cover.

Width45Height62mm(1.8 × 2.4 in)1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Inner Earcup Diameter: Width 45 mm, Length 62 mm. The oval opening is stored with the length as height.

Not available

Ear tips included

Not available

Not available

Dust and water rating

Not available

IP6810Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026IP68, up to 2 meters of fresh water for up to 2 hours under IEC 60529 laboratory conditions.

User-replaceable parts

Not available

Not available

Software

3 of 3 differ

Companion app

Razer Synapse1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Razer Synapse for lighting, audio and mic settings.

Shokz App11Owner's manualcdn.shopify.com/s/files/1/0074/1890/4612/files/OpenSwim_Pro_User_Guide.pdfRead 23 October 2026

App platforms

Not available

Android, iOS11Owner's manualcdn.shopify.com/s/files/1/0074/1890/4612/files/OpenSwim_Pro_User_Guide.pdfRead 23 October 2026Downloading Shokz App displays Apple App Store and Google Play and names Apple/Google. Availability limited by region.

User firmware updates

Not available

Yes11Owner's manualcdn.shopify.com/s/files/1/0074/1890/4612/files/OpenSwim_Pro_User_Guide.pdfRead 23 October 2026Downloading Shokz App explicitly supports firmware upgrades.

Dimensions and weight

1 of 2 differ

Headset weightiPublished headset mass without detachable cable or microphone when stated. A fixed cable remains included. Any unqualified maker weight is identified in the source note.

350g(12.3 oz)1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Weight 350 g / 0.77 lbs.4Reviewpcgamer.com/hardware/gaming-headsets/razer-kraken-v4-reviewRead 10 October 2026Spec box: 350 g.5Reviewtechradar.com/gaming/razer-kraken-v4-reviewRead 10 October 2026Spec table: 12.3oz / 350g.

27.3g(1 oz)10Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026Unqualified S710 headset mass, not package net weight 42.5 g.

Headset dimensionsiBody size with headband upright and ear cups in their normal wearing position. Width is across the head, height is top to bottom, and depth is front to back. Folded or flat-swivel dimensions are not substituted.

Not available

Not available

Certifications

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Hi-Res Audio

Not available

Not available

Communication certifications

Not available

Not available

FCC ID

Not available

2BCD6-S71016Regulatory filingdevice.report/m/a02a3e1fbd3e648ff163d28fc8663418484f7e90194ffbf52099c04a2598a3d7Read 23 October 2026Public mirror of TÜV Rheinland RF exposure report CN248LXM 003, issued March 12 2024. Exact tested OpenSwim Pro / SHOKZ S710 states FCC ID 2BCD6-S710. S711 excluded.

Other certifications

Not available

Not available

In the box

3 of 3 differ

In the box

Razer Kraken V4 headset, Razer HyperSpeed USB-C wireless dongle, Braided USB-C to USB-A cable, USB-C to USB-A adapter for the dongle4Reviewpcgamer.com/hardware/gaming-headsets/razer-kraken-v4-reviewRead 10 October 2026Review says the headset comes with a USB-C dongle, a braided USB-C to USB-A cable and a USB-C to USB-A adapter for the dongle. The maker page lists no box contents.

OpenSwim Pro headphones, Silicone carry case, Magnetic charging cable, Swimming earplugs, User guide, Legal statement, Warranty card15Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026

Cables includediSupplied playback, charging, dongle and adapter cables. A permanently attached headset cable is included and named as fixed.

ARazer Kraken V4

Not available

BShokz OpenSwim Pro

Type	Count
4-pin magnetic charging and file-transfer cable	1

Source15Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026Original S710 magnetic charging cable. Length not published. Revised S711 and USB-C cable specifications excluded.

Carrying caseiSupplied carrying case or pouch. A retail carton does not count as a carrying case.

Not available

Soft15Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026Maker calls it silicone carry case. S710 user guide calls it carrying bag and shows a flexible zippered silicone pouch.

Links

Not compared

Product page

www.razer.com/gaming-headsets/razer-kraken-v41Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026

uk.shokz.com/products/openswim-pro1Maker product pageuk.shokz.com/products/openswim-proRead 23 October 2026

Spec sheet

www.razer.com/gaming-headsets/razer-kraken-v41Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026

images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdf2Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026Maker original S710 specification sheet, including original magnetic cable. Downloaded normally with curl and read locally because web extraction rejected its 21.5 MB size.

Manual

Not available

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

0 of 1 differ

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

2years1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4Read 10 October 2026Get up to 2 years of warranty. The exact length can depend on the market.

2years10Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/61/61b2aeb2-9381-4194-9968-5aed6cacb48f.pdfRead 23 October 2026Maker S710 sheet gives 2 years. UK product page independently gives 24 months.

Both are also in the API. Back to all headsets and headphones.