1. Main functions
1. Support Bluetooth function;
2. Jerry solution, dual decoding (decoding MP3, WMA, WAV, FLAC, APE lossless format music);
3. Radio FM;
4. Supports external audio source input LINE IN;
5. Connect the device U disk and TF card;
6. Power supply is 5V or 12V optional (the default delivery is 12V power supply)
7. Buttons: Three buttons for multi-directional control, PREV/PLAY/NEXT;
8. Shell colors are divided into: silver and black.
2. Details of button operations
1. PREV button (previous song/volume decrease): In MP3 state, short press PREV to go to the previous song, and long press to decrease the volume;
2. PLAY button (play/pause): In MP3 mode, short press PLAY to play/pause; long press to switch between USB/TF card/LINE IN/radio FM/Bluetooth mode sound.
3. NEXT button (next song/volume increase): In MP3 state, short press NEXT to next song, long press to increase volume;
4. This model has the function of automatically switching devices. If there is no device, it will default to the Bluetooth state when it is turned on. If there is a device, it will first interpret the device.