ITEM NAME:Bluetooth5.0 Mp3 Wma Wav Decoder Board 5V 12V Wireless Audio Module Color S T2K2 Bluetooth5.0 Mp3 Wma Wav Decoder Board 5V 12V Wireless Audio Module Color S T2K2 LED: digital screen display, display red, color screen display; USB: Connect U disk (maximum support 32GB,not included) VOL-: Short press is to select the previous song; long press is to decrease the volume PLAY/PAUSE: Short press is the switch between pause and play; short press in the FM FM state is automatic VOL+: Short press is to select the next song; long press is to increase the volume MODE: USB / TF / FM / AUX / BLUETOOTH tone switching TF: Connect TF memory card (maximum support 32GB,not included) Infrared receiving module Master IC: AC6926 Bluetooth IC: AC6926 Bluetooth version is version 5.0 Music format: MP3 / WMA / WAV / APE lossless format Radio FM frequency: 87.5-107.5 MHZ Support function introduction: support MP3 / USB / TF / LINE IN / FM / BLUETOOTH / remote remote connection / DC 5V or 12V (optional) About the structure: panel size: 68 * 23 MM, the two corners of the panel and the screw hole position, then the cover cover surface, the depth of the board is 32 MM Colour: Black Material: metal + plastic Package Content: 1* Decoder 1* remote control (without battery) 3* power cord set.Music format: MP3 / WMA / WAV / APE lossless format. Infrared receiving module. Support function introduction: support MP3 / USB / TF / LINE IN / FM / BLUETOOTH / remote remote connection / DC 5V or 12V (optional).