The Sony WH-CH520 is a pair of wireless on-ear headphones with a built-in microphone, for music and calls. They connect over Bluetooth 5.2 with a range of 10 m. The closed-back design uses 3 cm drivers.
Buttons on the ear unit control volume, play/pause, track skipping and Bluetooth pairing. LED indicators show power and charging status. HD Voice is supported, and the headphones work with Google Assistant and Apple Siri.
The built-in lithium-ion battery gives up to 50 hours of audio playback and 40 hours of talk time. It charges through USB Type-C in about 3 hours, and a 10-minute quick charge is supported.
- Type
- Wireless on-ear headphones, binaural, headband style
- Recommended use
- Calls and music
- Connectivity
- Bluetooth 5.2, 2.4 GHz band, 10 m wireless range
- Bluetooth profiles
- A2DP, HFP, AAC, HSP, AVRCP, SBC
- Acoustic system
- Closed
- Driver size
- 3 cm
- Microphone
- Built-in
- Controls
- Buttons: Volume +, Volume -, Play/Pause, Track <, Track >, Bluetooth pairing
- Indicators
- LED for power and charging; battery charge indicator
- Voice assistants
- Google Assistant, Apple Siri
- Battery
- Built-in lithium-ion, 3.7 V
- Playback time
- Up to 50 h
- Talk time
- Up to 40 h