Sony WF-C710N / Sennheiser ACCENTUM Plus Wireless

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

Sennheiser ACCENTUM Plus Wireless: ACCENTUM Plus Wireless around-ear wireless headphones; black (700176) and white (700177). The cheaper ACCENTUM Wireless and the higher-end MOMENTUM 4 are separate models.

SpecificationSony WF-C710NSennheiser ACCENTUM Plus Wireless
Release year20252024
TypeTrue wireless in-ear earbuds, active noise cancelling SonyHeadband, around-the-ear (circum-aural) wireless headphones; fold flat

Sennheiser promises a light, ergonomic fit with a soft silicone inner headband and cushioned earcups; folded flat it measures about 16.5 × 19.5 × 4.8 cm.

Sennheiser
Driver5 mm Sony37 mm dynamic; 10 Hz–22 kHz; 106 dB SPL; THD below 0.3%

Sennheiser says the driver is mounted at an angle. Impedance is 560 ohms in active mode and 95 ohms in passive (wired, powered off) mode.

Sennheiser
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 Sony227 g Sennheiser
ColoursPink, blue (translucent Glass Blue), white, black Sony—
In the boxCharging case, hybrid silicone ear tips, reference guide, USB cable SonyHeadphones, USB-C charging cable, carry case, auxiliary (3.5 mm) audio cable, quick guide Sennheiser
Noise cancelling—Hybrid adaptive ANC; Transparency mode; automatic anti-wind mode

Hybrid ANC measures noise with microphones both outside and inside the earcup; the adaptive version changes the cancellation strength automatically with ambient noise. Transparency mode lets outside sound in with a touch.

Sennheiser
Bluetooth and codecs—Bluetooth 5.2, class 1; SBC, AAC, aptX, aptX Adaptive; A2DP, AVRCP, HFP, HSP

aptX Adaptive is a Qualcomm codec that adjusts bitrate to link quality on compatible devices.

Sennheiser
Battery—800 mAh lithium-ion; up to 50 hours with ANC on; full charge about 3.5 hours; 5 hours from 10 minutes

Sennheiser measured the 50 hours with an iPhone at medium volume; charging is via USB-C at 5 V, up to 700 mA.

Sennheiser
Controls and sensors—Touchpad on the right earcup; dedicated pairing button; Smart Pause when removed

Tap plays or pauses, sliding up and down sets volume, and swiping sideways skips tracks or answers calls.

Sennheiser
Microphones—Two MEMS microphones with beamforming for noise reduction; 50 Hz–8 kHz Sennheiser
App—Sennheiser Smart Control (iOS and Android); 5-band equaliser, presets, Sound Personalization

Sound Personalization adjusts the sound to the user with a listening test developed with the Fraunhofer Institute.

Sennheiser