Wireless Bluetooth 5.0 MP3 Decoder Board Audio Support APP USB AUX TF Radio FM For IOS Android Phone MP3 Player WMA Module Specifications:USB: Connect U disk (maximum support 32GB)LED: digital color screen display, digital display red Infrared receiver moduleTF: Connect TF memory card (maximum support 32GB)AUX: Audio input interfaceVOL-button (previous song/volume down): in MP3 state, short press VOL- to last song, long press to decrease volume; in radio FM state, short press to move up one channel; in Bluetooth function Short press is the previous Bluetooth song, long press is the volume decrease.PLAY/PAUSE button (play/pause): Short press PLAY/PAUSE in the MP3 state to play/pause; short press in the radio FM state to automatically close and save the station; short press to play/pause in the Bluetooth function.VOL+ button (next song/volume increase): in MP3 state, short press VOL+ for the next song, long press to increase the volume; short press in the radio FM state to adjust one channel down; short press in the Bluetooth function Next song for Bluetooth, long press to increase the volume.MODE: Switch between USB / TF / FM / LINE IN / BLUETOOTHMain control IC: AB5312BBluetooth IC: AB5312B Bluetooth version 5.0Music format: MP3 / WMA / WAV / FLAC / APE lossless format musicRadio FM frequency: 87.5-107.5 MHZSupport function introduction: support MP3/USB/TF/LINE IN/FM/BLUETOOTH/remote control connection/DC 5V or 12V (optional)About the structure: Panel size: 107 * 25 MM, the two corners of the panel and the position of the screw hole, and then the lid cover surface, the depth of the board is 30 MM2. APP function descriptionDownload and installation: Please go to the application market to download the "AB Link" software, install and use it; this is the APP software iconAPP operation must be connected with Bluetooth first, the picture below is the main interface of APP Package includes: 1 X MP3 WMA Decoder Board1 X Remote control