➊ Switch on/off/volume adjustment knob

➋ TF card slot: insert TF card to play, supporting MP3/WMA/WAV/FLAC/APE audio format.

➌ Micro USB: charging and data input interface, connecting computer read-write TF card and USB sound card.

➍ Charging indicator light: the charging red light is on, and the full charge green light is on

➎ AUX interface: audio signal input, which can be connected to mobile phones or computers to play music

➏ M/key: short press to switch the mode, long press to change the light effect; Double click to turn RGB light on/off

➐ Previous song key: in Bluetooth and USB sound card modes: short press to switch to the previous song;

     In MP3 mode: short press to switch to the previous song, long press to rewind.

➑ Next song key: in Bluetooth and USB sound card modes: press briefly to switch to the next song;

     In MP3 mode: short press to switch to the next song, long press to fast forward.

➒ Play/pause key: in Bluetooth, USB sound card, AUX, MP3 modes: short press, play/pause,

     Long press to forcibly cancel pairing; Long press again to complete pairing.

➓ 8 RGB lighting effects