Sony LinkBuds Fit (WF-LS910N) / Sony WF-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 WF-1000XM5: WF-1000XM5 · Black, Platinum Silver, Smoky Pink; colours share the same hardware

SpecificationSony LinkBuds Fit (WF-LS910N)Sony WF-1000XM5
Release year20242023
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.

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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.

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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) Sony—
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.

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Type—Closed, dynamic true wireless in-ear; active noise cancelling Sony
Driver—8.4 mm Sony
Frequency response—20–20,000 Hz (44.1 kHz); 20–40,000 Hz with LDAC at 96 kHz / 990 kbps

The extended range applies only with LDAC-capable sources, mostly Android phones.

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Codecs—SBC, AAC, LDAC, LC3

LDAC carries more detail at a high bit rate; LC3 is the efficient codec designed for LE Audio. The profile list includes LE Audio profiles (TMAP, CSIP, MCP, VCP, CCP).

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Battery (music)—Up to 8 hours with noise cancelling on, 12 hours with it off

The figures are for one charge of the earbuds.

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Battery (calls)—Up to 6 hours with noise cancelling on, 7 hours with it off Sony
Charging—Earbuds about 1.5 hours; case about 2 hours over USB; wireless charging on the case Sony
Bluetooth—Bluetooth 5.3; about 10 m range; multipoint

With multipoint the earbuds stay connected to two devices at once.

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Sound features—DSEE Extreme, Ambient Sound mode, Quick Attention

DSEE Extreme aims to restore detail lost in compressed music. Quick Attention lowers the music and lets outside sound in while a finger is held on the earbud.

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Water resistance—IPX4 equivalent

It protects against splashing water; do not submerge.

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Weight—About 5.9 g per earbud (with M tips); case about 39 g Sony
Case size—About 64.6 × 40.0 × 26.5 mm Sony
In the box—Charging case, Noise Isolation foam tips, reference guide, USB cable Sony
Staying connected in the case—Earbuds may stay connected while in the case

Sony attributes this to earbuds not seating fully in the case or dirty charging contacts, and suggests opening and closing the case, updating the firmware and wiping the contacts with a dry cloth.

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