Sony LinkBuds Fit (WF-LS910N) / Sony WH-1000XM5

Sony LinkBuds Fit (WF-LS910N): LinkBuds Fit WF-LS910N in-ear true wireless earbuds; black, white, green and pink. The open-design LinkBuds Open (WF-L910) and the older LinkBuds S (WF-LS900N) are separate models.

Sony WH-1000XM5: WH-1000XM5; colours vary by region: black, silver, midnight blue, pink and platinum. The later WH-1000XM6 is a separate product.

SpecificationSony LinkBuds Fit (WF-LS910N)Sony WH-1000XM5
Release year20242022
Driver and frequency8.4 mm driver; closed type; 20–20,000 Hz over Bluetooth (44.1 kHz), 20–40,000 Hz with LDAC (96 kHz, 990 kbps) Sony—
Noise cancellingActive noise cancelling; Personal NC Optimiser; Ambient Sound Mode and Auto Ambient Sound

Personal NC Optimiser tunes cancellation to the ear shape and how the buds are worn. Auto Ambient Sound changes how much outside sound is let in depending on the surroundings.

Sony
Active noise cancelling; Integrated Processor V1 and HD Noise Cancelling Processor QN1; 8 microphones in total (4 noise-sensing per earcup)

Auto NC Optimizer adjusts noise cancelling to fit and atmospheric pressure; Adaptive Sound Control switches modes based on the environment. Ambient Sound mode and Quick Attention let outside sound in.

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Bluetooth and codecsBluetooth 5.3; SBC, AAC, LDAC, LC3; A2DP, AVRCP, HFP, HSP, TMAP, CSIP, MCP, VCP, CCP

LC3 and profiles such as TMAP/CSIP are for Bluetooth LE Audio, enabling lower-power audio on compatible phones. LDAC is used on Android for high-bitrate streaming; iPhones use AAC.

Sony
Bluetooth 5.2; SBC, AAC, LDAC; A2DP, AVRCP, HFP, HSP; multipoint (two devices)

Multipoint keeps the headphones connected to two devices at once. Google Fast Pair and Windows Swift Pair offer quick pairing. Range is 10 m.

Sony
Multipoint and processingMultipoint connection (two devices); DSEE Extreme

DSEE Extreme tries to restore high-frequency detail lost in compressed music files.

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BatteryEarbuds: up to 5.5 hours of music with ANC on and 8 hours off; up to 4 hours of calls; earbud charge about 2 hours, case charge about 3 hours (USB) Sony30 hours of music with noise cancelling on, 40 hours off; 24/32 hours of calls

Times are measured under Sony’s test conditions; volume and codec change real-world runtime.

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FitNewly designed Fitting Supporters and ear tips

The soft supporter fin rests against the ear’s ridge to help keep the bud in place while moving.

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Weight and durabilityAbout 4.9 g each (with M tips); case about 41 g, 47.2 × 47.2 × 32.6 mm; IPX4

IPX4 means resistance to splashing water from any direction; it is not for submersion or swimming.

Sony
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Driver—30 mm dynamic driver, closed back, neodymium magnet Sony
Frequency response—Bluetooth: 20 Hz–20 kHz (44.1 kHz), 20 Hz–40 kHz with LDAC (96 kHz/990 kbps); wired: 4 Hz–40 kHz

The wider frequency range applies only with LDAC and high-resolution sources; over AAC and SBC the upper limit is 20 kHz.

Sony
Call microphones—4 beamforming microphones; AI-based noise reduction, wind noise reduction Sony
Charging—Full charge in about 3.5 hours via USB; about 3 hours of playback from 3 minutes with a USB-PD adapter

Quick charging requires a separately sold USB Power Delivery-compatible adapter.

Sony
Controls and sensors—Touch panel on the right earcup; NC/Ambient button on the left; wear sensor; Speak-to-Chat

The wear sensor pauses music when the headphones are removed and resumes when they are put back on. Speak-to-Chat pauses music and turns on ambient sound when the user starts talking.

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Spatial audio—DSEE Extreme upscaling; 360 Reality Audio support

DSEE Extreme aims to restore high-frequency detail lost in compressed music files by estimating it.

Sony
Impedance and sensitivity—48 Ω when on, 16 Ω when off; 102/100 dB/mW

The headphones can be used passively with a cable while switched off; noise cancelling does not work then.

Sony
Weight and in the box—About 250 g; soft collapsible carrying case, 1.2 m L-shaped cable (3.5 mm), USB charging cable Sony
App—Sony Sound Connect: equaliser, shortcut settings, listening history, Safe Listening

Safe Listening tracks sound exposure against World Health Organization guidelines.

Sony