Portable Car MP3 Player Bluetooth 5.0 MP3 Decoder Board Module FM Radio Module For Iphone 11 XS Samsung S8 S9 Xiaomi Redmi 10 MODE: USB / TF / FM / LINE IN / BLUETOOTH For Switching; REPEAT: Press once to single cycle, press again to cancel single cycle; EQ: sound field mode, test 6 kinds of sound quality; (classical) (jazz) (rock) (subwoofer) (pop) (normal); LED: digital screen display; PLAY / PAUSE: short press is to switch between pause and play; long press is radio FM automatic station; PREV / VOL-: short press is to select the previous song; long press is to decrease the volume; NEXT / VOL +: short press is to select the next song; long press is to increase the volume; USB: connect U disk (up to 32GB); TF: Connect TF memory card (up to 32GB) IR: infrared receiving module; LINE IN: audio input interface; Master IC: AC6926 Bluetooth IC: AC6926 Bluetooth version is 5.0 Music format: MP3 / WMA / WAV / FLAC / APE lossless format Radio FM frequency: 87.5-107.5 MHZ Support: support MP3 / USB / TF / LINE IN / FM / BLUETOOTH / remote control / DC 5V or 12V (optional) Structure: panel size: 78 * 58 MM, the screw holes are located around the panel, and then the surface is covered with PVC lenses, the depth of the board is 23MM Package Included: 1x MP3 Decoder Board Car Kit