Stunning sound and longer battery life
Enjoy high sound quality all day long. The WH-CH520 headphones with up to 50 hours of battery life, stable connectivity, and enhanced call performance, meet the demands of your day.

Stay powered up for days
With up to 50 hours of battery life, you can listen to your favorite music without worrying about running out of charge. And, if your headphones battery is running low, a 3-minute quick-charge can give you 1.5 hours of listening time.

A listening experience just for you
Digital Sound Enhancement Engine (DSEE) restores the harmonics and liveliness lost during typical music compression, for a more authentic performance. You can even tailor music to your own taste with EQ settings on the Sony | Sound Connect app, for a personalized listening experience.

Crystal clear calls
A built-in microphone provides you with hands-free calling, and it also works just as well for joining an online class or work meeting.

Designed for all-day comfort
Not only is the design stylish, but it’s also crafted with ease-of-use in mind. The lightweight build and swivel earcups gently slip on and off, while the adjustable headband, cushion and soft ear pads give you all-day comfort.

Listen longer with up to 50-hour battery life
Keep your music playing all day with a battery life that delivers up to 50 hours of power.1 USB Type-C quick charging gives up to 90 mins of play back from 3 minutes of charge. Now you’ll have enough power for multi-day road trips and long festival weekends.

Enjoy all day comfort
With an adjustable headband, soft earpads and lightweight design, you can find your perfect fit and stay comfortable for longer.

General Features
Headphone Type
Closed

Driver Unit
30mm

Wearing Style
On Ear

DSEE
Yes

Frequency Response (Bluetooth Communication)
Frequency Range(A2DP): Yes

General Features (Active Headphones)
Volume Control: Yes

Size & Weight
Weight
Approx. 147g

Battery
Battery Charge Method
USB

BATTERY LIFE (CONTINUOUS COMMUNICATION TIME)
Max. 40 hours

General Features (Active Headphones)
Max. 50 hours

Lithium Battery
Yes

Bluetooth Specification
Bluetooth version
BLUETOOTH Specification Version 5.2

Effective Range
10m

FREQUENCY RANGE
2.4 GHz band (2.400 0 GHz - 2.483 5 GHz)

Profile
A2DP, AVRCP, HFP, HSP

Supported Audio Format(s)
SBC, AAC

Supported Content Protection
SCMS-T

What’s in the Box
SUPPLIED ACCESSORIES
USB Cable