Item Name: Stereo Built-in dashboard Decoder Board Car MP3 Player Car Radio Radio Module. Type: MP3 Decoder Board100% brand new and high quality!Size: as showMaterial: Plastic and hardwareColor:as showDescription:FM radio: 87.5 MHz-108 MHz Auto-scan with memory Pre-set!USB: Connect USB flash drive (maximum support 32GB)LED color screen: digital screen display, showing redInfrared receiving moduleTF: Connect TF memory card (maximum support 32GB)AUX: audio input interfaceVOL-: Short press is to select the previous song long press is to decrease the volumePLAY/PAUSE: Short press is the switch between pause and play long press is the FM FM automatic stationVOL+: Short press is to select the next song long press is to increase the volumeMODE: Switching of USB/TF/FM/LINE IN/BLUETOOTH Main functions: (1) Support led digital tube (2) Support USB, TF, AUX, FM radio function (3) Support Bluetooth, compatible with Bluetooth 3.0 and below (4) Support the previous song, the next song, play/pause, mode conversion (5) Support FAT16, FAT32 file system (6) Support MP1 Layer3, MP2 Layer3, MP3 Layer3, version of the song (7) Support MP3 songs of 32-320 kbps (8) Support infrared remote control reception (9) The module contains an MP3 song decoding chip Host button:1. ''PREV'': Short press the previous song in the USB/Bluetooth state short press the last station in the FM state, press and hold the volume down.2. ''PLAY/PAUSE'' short presses play/pause in USB/Bluetooth status, long press auto scan station in FM state 3. ''NEXT'': Press a short button in the USB/Bluetooth state press a station shortly in the FM state and press and hold the volume.4. ''MODE'': When there is only U disk: switching sequence is USBBluetoothFMAUXUSB. Package included1 X MP3 Decoder Board1 x Remote control (Without the Battery) Note:1. Due to manual measurement, please allow 1-3cm error. Make sure you don't mind before