Specification: Features:_x000D_1. Support 4-color spectrum display._x000D_2. Support Bluetooth Bluetooth version 5.0 and hands-free calling._x000D_3. Support AUX, FM, USB, SD._x000D_4. Support MP3/WMA/WAV/FLAC/APE format music._x000D_5. Support Bluetooth Bluetoot on a song, next song, volume adjustment, play / pause, mute._x000D_6. Support power-off memory function: the song and volume played before the memory is powered off can be memorized to the current point._x000D_7. Support USB/SD card/Bluetooth/FM/switch._x000D_8. Turn on the default Bluetooth, if you have a card or a USB flash drive, put music directly._x000D__x000D_Specification:_x000D_Bluetooth: Bluetooth 5.0_x000D_Music format: MP3/WMA/WAV/FLAC/APE_x000D_Voltage: DC 5V / 12V_x000D_Working current: 600MA-800MA_x000D_Remote control battery: CR2025 button battery_x000D_Opening: approx. 83 * 20 * 31mm / 3.3 * 0.8 * 1.2in_x000D_Mounting hole spacing: approx. 92mm / 3.6 in_x000D_Panel size: approx. 107 * 25 * 31mm / 4.2 * 1.0 * 1.2in_x000D_Weight: approx. 70g_x000D__x000D_Package list:_x000D_1 * Decoder Board_x000D_1 * Remote Control_x000D_2 * Cables_x000D_2 * Screw Plugs Features: 1Support 4-color color spectrum display. 2Support Bluetooth Bluetooth version 5.0 and hands-free calling. 3Support AUX, FM, USB, SD. 4Support MP3/WMA/WAV/FLAC/APE format music. 5Support Bluetooth Bluetoot on a song, next song, volume adjustment, play / pause, mute. PackageList: