Wireless Playback Quality; Balance - Fiio M6 Complete User's Manual

Wireless playback quality

When the Bluetooth receiver supports multiple Bluetooth audio
can select which you want to use.

Balance

Set the Balance between the left and right channels. From being biased leftmost (L10)
through centre (0) to rightmost (R10), there are 21 settings available.
11
such as BTR3), you
codecs