FiiO M11 Plus Portable High-Resolution Lossless Wireless Music Player - Manual (Page 14)

8
Instructions for entry-level functions
1. Five working modes
The M11 Plus supports five working modes, including Android mode, Pure
Music mode, AirPlay, USB DAC mode and Bluetooth Receiving mode. It is
defaulted to be Android mode when the device is powered on for the first time,
which can be switched to other modes on the drop-down or settings menu.