Sony h.ear on 3 Mini Wireless Help Manual page 80

Help Guide
Wireless Stereo Headset
h.ear on 3 Mini Wireless (WH-H810)
About the DSEE HX function
The DSEE HX function upscales the compressed sound source data such as that on CDs or MP3 to almost as high a
quality as that of High-Resolution Audio and reproduces the clear, high-range sound that is often lost.
The DSEE HX function can be set up on the "Sony | Headphones Connect" app, and is only available when connected to
the headset via Bluetooth connection.
Depending on the specifications of the playback device, the DSEE HX function may be disabled when transmitting a
compressed sound source using LDAC.
Related Topic
What you can do with "Sony | Headphones Connect" app
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