KEBIDU | DC 12V MP3 WMA Wireless Bluetooth Decoder Board with Digital AMP HiFi Stereo 60W Amplifier Car Audio USB FM TF Radio Handsfree

These are 3 types to choose :1) Combo Package ：1MP3 Decoder Board , 1Amplifier Board2) Mp3 Decoder Board ：Only 1MP3 Decoder Board3) Amplifier Board-60W ：Only 1Amplifier Board , 2*30WKey Description:USB: Connect U disk (maximum support 32GB, not included)LED: Digital color screen display, red infrared receiver moduleTF: Connect TF memory card (maximum support 32GB, not included)AUX: Audio input interfaceVOL-: Short press is to select the previous song; long press is to decrease the volumePLAY/PAUSE: Short press is to switch between pause and play; long press is to automatically search for radio FMVOL+: Short press is to select the next song; long press is to increase the volumeMODE: USB/TF/FM/AUX/BLUETOOTH sound switch