Main control IC: AC 6921; Bluetooth IC: AC 6921 Bluetooth version is 5.0
Music format: MP3/WMA/WAV/FLAC/APE lossless format
Bluetooth calling function; recording function; Folder switching function
Radio FM frequency: 87.5-107.5 MHZ
Support function introduction: support MP3 / USB / TF / LINE IN / FM / BLUETOOTH / remote control connection / DC 12V

Button and interface function
1. PREV: Twist to the left to select the previous song; NEXT: Twist right to select song;
2. IR: infrared receiving module;
3, MIC: support call and recording functions;
4. USB interface: connect U disk (maximum support 32GB);
5. LCD screen: synchronous display of ;
6. SD card slot: connect SD memory card (maximum support 32GB);
7. AUX interface: audio input interface;
8. Volume knob: control the volume;
9. REC: Press and hold the REC button to start recording, press the REC button again to cancel the recording function and play the recorded file; when recording, you need to connect a storage device, such as a U disk or TF card;
10. REPEAT: Press the single loop function once, press it again to cancel the single loop, and in sequence;
11. -: The short key is to switch to the previous folder, and the long press is to rewind;
12. +: Short key is to switch to folder, long press is fast forward;
13. PLAY/PAUSE: Short press is to switch between pause and play; long press is to radio FM automatic station;
14. MODE: Switch between USB / TF / FM / AUX / BLUETOOTH;
Material: plastic
colour: black

Package Contents:
1 x decoder board
1 x remote control
4 x lines