Features 1、Support Bluetooth 4.2. With blue backlight function. Support USB sound card function and Micro USB 5V power input. 2、Support folder selection and then music playback (remote control operation or panel operation) from SD card or USB disk. 3、Support USB/SD card/Bluetooth/FM switching. Conversion prompt (Signal, Chinese, English voice prompt optional). 4、The decoder supports MP3/WMA/WAV/lossless APE/FLAC format music. MP3 Songs: 2-320kbps, WAV/WMA: 1411kbps and below. 5、Support SD card / USB flash switching, songs selection, volume adjustment, EQ, play / pause, stop, mute, shutdown, direct election song. Specification Description: This Bluetooth decoder board with USB and SD card slot allows you to playback music from external U disk or SD card, as well as the FM radio broadcast. With memory function and backlight function, it is much convenient for you to operate and use the Bluetooth decoder board. Features: Support Bluetooth 4.2. With blue backlight function. Support USB sound card function and Micro USB 5V power input. Support folder selection and then music playback (remote control operation or panel operation) from SD card or USB disk. Support USB/SD card/Bluetooth/FM switching. Conversion prompt (Signal, Chinese, English voice prompt optional). The decoder supports MP3/WMA/WAV/lossless APE/FLAC format music. MP3 Songs: 2-320kbps, WAV/WMA: 1411kbps and below. Support SD card / USB flash switching, songs selection, volume adjustment, EQ, play / pause, stop, mute, shutdown, direct election song. Support power off memory function: Memory play songs and volume before power off. Specifications: Screen size: 45 * 8mm / 1.8 * 0.3inch Panel size: 87 * 23 * 31mm / 3.4 * 0.9 * 1.2inch Power supply: 12V, 5V Current 800MA-1A Bluetooth: Bluetooth 4.2 Package weight: 41g Package List: 1 x Bluetooth Decoder Board 1 x Remote Control 1 x Surface Cover 2 x 3-pin Cable 1 x 2-pin Cable Note: No hands free call function Package List