Car Speaker Module FM Radio USB TF Card Wireless Bluetooth 5.0 MP3 Decoder Board

12V Digital Wireless Bluetooth MP3 WMA Decoder Board FM Radio For Car Speaker. Waterproof Wireless Bluetooth Bone Conduction Headset Eaephone with Microphone. This MP3 decoder board is 9.2cm in length, 4.1cm in height and 2.1cm in depth.