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From the manufacturer

WH-CH520

All-day listening with quality sound

Wireless Headphones

Listen longer

Keep your music playing all day with a battery life that delivers up to 50 hours of power. 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.

Customized for all your music preferences

The EQ Custom feature on the Sony | Headphones Connect App tailors sound to your personal preference. Choose from a variety of presets to match sound quality with the genre of music you're listening to. Or create and save your own presets.

Designed to be lightweight

Designed with comfort in mind, the WH-CH520 headphones are lightweight and feature soft earpads, additional head cushion and silent joints so you can enjoy your favorite music and podcasts all day long.

Easy Hands Free-Calling

Conversation flows freely with easy hands-free calling, thanks to the built-in microphone. No need to even take your phone from your pocket.

Multipoint connection

For total convenience, these Bluetooth headphones can be paired with two Bluetooth devices at the same time. Simply switch from a video or song on your laptop to a call on your cellphone, so that you’ll never miss a call.

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Audio Track

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Swivel design

Swivel design for compact and easy carrying

Voice assisitant

Just say “OK Google” or “Hey Siri” to activate your preferred voice assistant.

Fast Pair

Easily find your missing headphones by sound or check their last known location in Google’s Find My Device app on your smartphone.

Digital Sound Enhancement

Boost the quality of compressed music files and enjoy streaming music with high quality sound through DSEE.

Sony Wireless Headphones

WH-XB910N	WH-CH720N	WH-CH520
Noise Canceling Digital Noise Cancellation	Noise Canceling Digital Noise Cancellation	Noise Canceling N/A
Battery Life 30 Hrs, 10 Min charge for 4.5 Hrs playback	Battery Life 35 Hrs, 10 Min charge for 4.5 Hrs playback	Battery Life 50 Hrs, 3 Min charge for 1.5 Hrs playback
Hands-free Calling Yes	Hands-free Calling Yes	Hands-free Calling Yes
Multi Device Connection Yes	Multi Device Connection Yes	Multi Device Connection Yes
Special Features Foldable design, Carrying Case, Touch Control, Extra bass	Special Features Sony’s lightest Wireless Noise-canceling headband ever	Special Features Swivel design