Note:
When fast charging is plugged in POWER in port and the Desktop Mode is ON, a
prompt will appear asking whether to enable the Super High Gain Mode.
11. How to use the multifunction button?
1. In Player mode: Add to Favorites (default option), Play next song randomly
(randomly play the next song according to random play rules), Play/Pause, Delete
currently playing song, Switch filter (cyclically), Switch equalizer (cyclically), Enter
USB DAC Mode, Enter Bluetooth Receiving Mode, Lock screen/Wake up, No
function
2. In Bluetooth Receiving mode/USB DAC mode, the multifunction button is
forcibly set to: No Function.
Note: This button only responds in Android mode/Pure Music mode, and some
functions only apply to FIIO Music.