❶ Functions
❶
Charging Type-C 5V
❷
microSD
❸
Microphone
❹
Indicator
USB
AUX
DC 5V
TF
Use a thin pin to reset the settings
Volume - \ Previous track
Play\Pause\Answer a call
Volume + \ Next track
ON/OFF, change mode:
Bluetooth, FM, MP3
❺
USB drive
❻
AUX
❼
❽
❾
❿
⓫
