The main function 1. Decipher music in MP3/WMA/WAV/FLAC/APE lossless format; 2. Support Bluetooth call function Bluetooth 5.0 version; 3. Support recording function; 4. Color screen digital screen display; 5. Support U disk and TF card; 6 .Power-off memory function; 7. Support infrared remote control operation at a distance of 5-10 meters; 8. Support external audio input LINE IN; 9. Support FM radio frequency band (87.5MHZ108.0MHZ); 10. Button: four-button multi-directional control VOL-/PLAY/PAUSE/VOL+/MODE; 11. Power supply voltage: 12V; 12. Panel size: 107*25MM board depth 23MM Recording function description 1. Long press the MODE button to start recording, and then long press the MODE button to cancel the recording function; 2. Long press the PLAY/PAUSE button to play the recording file; 3. When recording, you need to connect a storage device such as a U disk or TF card; Button function 1. VOL- button (previous song/volume down): short press VOL- in MP3 state To the last song, long press to decrease the volume; in the state of radio frequency modulation, short press to move up a channel; in the Bluetooth function, short press is the previous Bluetooth song and long press is to decrease the volume. 2. PLAY/PAUSE button (play/pause): short press PLAY/PAUSE to play/pause in MP3 state; short press to automatically close and save the radio station in radio FM state; short press to play/pause for Bluetooth function. 3. VOL+ key (next song/volume up): short press VOL+ next song and long press to increase the volume in MP3 state; short press to move one channel in radio and FM state; short press to one song in Bluetooth function Long press for bluetooth songs to decrease volume. 4. MODE key: Switch between USB/TF/FM/LINE IN/Bluetooth functions in sequence. Products from WUZHOU's store