Sony WH-CH520 vs Sony WH-CH710N

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WH-CH520 compared with WH-CH710N

	SonyWH-CH520	SonyWH-CH710N
Overview
Released
Released	March 2023	2020
Sound
Type
Type	On-ear	Over-ear
Noise cancelling
Noise cancelling	No	Yes
Transparency mode
Transparency mode	No	Yes
Driver size
Driver size	30 mm	30 mm
Back
Back	Closed	Closed
Bluetooth codecs
Bluetooth codecs	SBC and AAC	SBC and AAC
Lossless over USB-C
Lossless over USB-C	No	–
Drivers
Drivers	Bluetooth response 20 Hz to 20,000 Hz at 44.1 kHz sampling	30 mm dome drivers; wired response 7 Hz–20 kHz (JEITA), or 20 Hz–20 kHz powered on. Impedance 72 ohms powered on and 33 ohms off; sensitivity 94 dB/mW on and 100 dB/mW off (1 kHz).
Noise cancelling detail
Noise cancelling detail	–	Feedforward and feedback microphones; automatic noise-cancelling mode selection; Ambient Sound Mode
Audio features
Audio features	DSEE upscaling and customisable equaliser in Sony | Sound Connect (formerly Headphones Connect)	–
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 50 hours	Up to 35 hours
Battery life detail
Battery life detail	Up to 40 hours of calls and 200 hours on standby; no passive operation or wired playback	Bluetooth playback: 35 hours with noise cancelling, 40 with Ambient Sound Mode, 45 with both off (AAC or SBC). Powered wired playback: 50 hours with noise cancelling, 60 otherwise.
Fast charging
Fast charging	3 minutes gives up to 1.5 hours; full charge approximately 3 hours	About 7 hours for a full USB-C charge; 10 minutes gives about 60 minutes of playback; requires a USB adaptor providing at least 0.5 A
Design
Weight
Weight	147 g (better)	223 g
Bluetooth
Bluetooth	5.2	5.0
Two devices at once
Two devices at once	Yes	Yes
Headphone cable
Headphone cable	No	Yes
Controls
Controls	Physical buttons for playback, calls, volume and track selection; press the play/call button to use the connected phone's Siri or Google voice assistant	Power/pairing button; right-side volume and multifunction playback/call buttons; NC/AMB button; hold multifunction button for phone voice assistant
Microphones
Microphones	Built-in call microphone with noise suppression processing	Built-in call and noise-sensing microphones; omnidirectional electret condenser microphone, 50 Hz–8 kHz
Fit and ear tips
Fit and ear tips	Adjustable padded headband, soft earpads and swivelling earcups	Adjustable headband with metal slider; oval ear pads; earcups swivel flat, but the headband does not fold; 223 g excluding cable
Water resistance detail
Water resistance detail	No water resistance rating published	Not waterproof
Works with
Works with	Two-device multipoint, Fast Pair and Swift Pair; approximately 10 m range, profiles A2DP, AVRCP, HFP and HSP; USB-C is charging-only (SoundGuys)	NFC; A2DP, AVRCP, HFP and HSP. Multipoint assigns music to one device and calls to another. Wired listening disables Bluetooth and uses the phone's microphone for calls.
Colours
Colours	Black, Blue, White, Beige; Pink and Yellow added in March 2025; One Piece Black and One Piece White limited editions on the current UK page	Black, White and Blue; regional availability varies
In the box
In the box	Headphones and USB charging cable; no carrying case listed	Headphones, 1.2 m headphone cable and approximately 20 cm USB-A to USB-C cable