Sony WF-C710N / Sony LinkBuds Fit (WF-LS910N)

Sony WF-C710N: WF-C710N · Glass Blue (LZ); other colours share the same hardware

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.

SpecificationSony WF-C710NSony LinkBuds Fit (WF-LS910N)
Release year20252024
TypeTrue wireless in-ear earbuds, active noise cancelling Sony—
Driver5 mm Sony—
Frequency response20–20,000 Hz (Bluetooth, 44.1 kHz sampling) Sony—
Battery (music)Up to 8.5 hours with noise cancelling on, up to 12 hours with it off

The figures are for one charge of the earbuds; total time with the case is not listed on Sony's page.

Sony		—
Battery (calls)Up to 4.5 hours (noise cancelling on or off) Sony—
Charging timeEarbuds about 1.5 hours; case about 3.5 hours over USB

Wireless charging is not listed for the case.

Sony		—
BluetoothBluetooth 5.3; 2.4 GHz, about 10 m effective range Sony—
CodecsSBC, AAC

There is no LDAC or aptX; AAC is a common codec that works well with iPhones and most Android phones.

Sony		—
ProfilesA2DP, AVRCP, HFP, HSP Sony—
MultipointMultipoint supported

The earbuds stay connected to two devices at once, so a phone call can be answered while listening on a computer.

Sony		—
Ambient soundAmbient Sound and Quick Attention modes; DSEE

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

Sony		—
Water resistanceIPX4

IPX4 protects against splashing water; the earbuds should not be submerged.

Sony		—
WeightAbout 5.2 g per earbud (with medium tips); case about 38 g Sony—
ColoursPink, blue (translucent Glass Blue), white, black Sony—
In the boxCharging case, hybrid silicone ear tips, reference guide, USB cable Sony—
Driver and frequency—8.4 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 cancelling—Active 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
Bluetooth and codecs—Bluetooth 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
Multipoint and processing—Multipoint connection (two devices); DSEE Extreme

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

Sony
Battery—Earbuds: 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
Fit—Newly 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.

Sony
Weight and durability—About 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