Features: Jerry solution, with Bluetooth-compatible function / dual decoding support MP3 / WMA / WAV / bridge mouth music / USB / SD / radio FM / remote control / LINE IN audio source input function, for DC power supply 5V or 12V 1. Jerry's solution, dual decoding supports MP3 / WMA / WAV format music; 2.With Bluetooth-compatible function 3. With digital tube display; 4. Supports for MMC / SD / MMA cards and USB interface (U disk); 5. Support radio FM and cable frequency band (87.5MHZ-108.0MHZ); 6. Power-off memory function 24C02; 7, support 5-10 meters distance infrared remote control operation; 8. Support LINE IN (AUX) for external audio source input; 9. Buttons: Four-button multi-directional control, for PLAY / PREV / NEXT / REPEAT / EQ / MODE; for Key operation details 1. for PLAY button (for play / pause): for PLAY short press in MP3 state is for play / pause, short press in FM state is for play / pause, long press is to automatically receive and save the station; 2. PREV button (previous song / volume down): short press PREV in MP3 state is the previous song, long press is to decrease the volume, and short press in FM state is to adjust one station number upward 3. NEXT button (next song / speaker up): In the MP3 state, a short press of NEXT is the next song, a long press is to increase the volume, and a short press in the FM state is to down a station number; 4. REPEAT (repeating): single click in MP3 status for single song repeat function, single click for cancel repeat function; 6. MODE button (analog): switch between USB / SD / FM / AUX / Bluetooth-compatible sequentially; Specifications: Bluetooth-compatible version: Bluetooth-compatible 5.0 Bluetooth-compatible receiving distance: within 15 meters Product Size: 75.5x51MM Notes: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included: 1x decoder board 1x remote control 1xcable