Sony WH-CH520 – Wireless On-Ear Headphones with 50-Hour Battery & DSEE
The Sony WH-CH520 wireless on-ear headphones combine long battery life (up to 50 hours), a lightweight build (approx. 147 g), and Bluetooth 5.2 for a modern listening experience. With 30 mm dynamic drivers, Digital Sound Enhancement Engine (DSEE) upscaling of compressed music, a built-in microphone for calls and voice assistant, and comfortable on-ear styling, the WH-CH520 is ideal for everyday use—commuting, streaming, music, and calls.
Features
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Up to 50 hours of wireless battery life on a full charge.
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Bluetooth 5.2 for a stable wireless connection and support for profiles A2DP, AVRCP, HFP, and HSP.
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30 mm dynamic drivers for clear sound and balanced performance.
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DSEE (Digital Sound Enhancement Engine) for upscaling compressed music files.
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Built-in microphone and support for voice assistants (Siri/Google) and calls.
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Lightweight (approx. 147 g) and comfortable on-ear design.
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USB-C charging (approx. 3 h charge time) and quick-charge capability.
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Multipoint connection allowing switch between two devices.



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