Power: 2 * 80W/Bluetooth call function/recording function/dual decoding MP3, WMA, WAV, FLAC, APE lossless format music/read USB drive/read TF card/external audio input LINE IN/infrared remote control/power-off memory/12V voltage (range 6V-24V)/current above 2A Shell size: 130mm in length and 49mm in width; Depth: 63MM Main functions: 1. Dual decoding supports lossless formats of music such as MP3, WMA, WAV, FLAC, and APE; 2. Power amplifier 2 * 80W, capable of connecting two 80W speakers simultaneously; 3. Voltage range 6V-24V, current not less than 2A; 4. Supports Bluetooth calling function, Bluetooth version 5.0; 5. Support recording function; 6. Supporting microphone function 7. Digital color screen display; 8. Supports MMC/SD/ and other cards, and supports USB interface (USB flash drive); 9. Power off memory function; 10. Support infrared remote control operation at a distance of 10 meters; 11. Support external audio input LINE IN; 12. Button: Four buttons for multi-directional control of VOL -/AUTO/VOL+/MODE; Detailed button operation 1. PREV button (previous track): In MP3 mode, VOL - short for previous track, long for volume reduction; Short in FM mode to move up one station number; Short under Bluetooth function to play the previous song on Bluetooth; 2. AUTO button (play/pause): Short AUTO in MP3 mode to play/pause; Short to play/pause in FM mode, long to automatically receive and coexist channels; Short to play/pause under Bluetooth function. 3. NEXT button (next track): In MP3 mode, short VOL+for next track, long for volume increase; Short in FM mode to downgrade one station number; Short under Bluetooth function to switch to Bluetooth next track; 4. MODE button: Switch between USB/TF card/audio input/Bluetooth function in sequence; Recording Function Description 1. and hold the MODE button to recording, and hold the MODE button again to cancel recording and play the recording file; 2. When recording, it is more necessary to connect a storage device, such as a USB flash drive or TF card; (Line color is random; specified colors are not accepted) Color: Black Material: plastic Package Contents: 1 * Audio board 1 * Remote control (without 1 * button battery) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.