General description 4X Bluetooth 5.0 MP3 Decoder Board is a versatile car FM radio module designed to enhance your audio experience. It supports various file systems and audio formats, making it an ideal choice for car audio upgrades. Technical specifications Bluetooth version: 5.0 Power supply: DC 5V - 12V Supported file systems: FAT16, FAT32 Supported audio formats: MP1 Layer3, MP2 Layer3, MP3 Layer3 Bitrate support: 32-320 KBPS MP3 songs Size: 108 x 25 mm Material: ABS Measurement error allowance: +/- 1-3 cm Package contents 4 x decoder board 4 x remote control 12 x lines Other information Power off memory function: retains last played song and volume settings Note: Light reflection and different displays may cause color variations in the product images