Description: With large compatibility design, it is available to play U disk or micro-SD card MP3 files, as well as radio broadcast. What this decoder board can offer you is that it can control many functions directly because of its four keys design. Made of high quality material, it is durable and portable. This MP3 decoder board is 9.2cm in length, 4.1cm in height and 2.1cm in depth. It is suitable for MP3, USB, SD card and bluetooth. Item Name: MP3 Decoder Board Material:ABS,Metal Bluetooth Version: BT5.0 FM Transmitting Frequency: 87.5MHZ-108.0MHZ Display: Color Screen Audio Format: MP3/WMA/WAV/FLAC/APE Size Details: Length: 9.2cm/3.62" (Approx.) Height: 4.1cm/1.61" (Approx.) Depth: 2.1cm/0.83" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 3 X Connective Cables 1 X Remote Control 1 X Car bluetooth-compatible Speaker Module