M.Way LCD Car Kit MP3 Bluetooth Player Audio FM Transmitter FM Modulator Radio SD MMC Supports bluetooth handsfree, built in microphone, safe and convenient to answer the call, call when the noise processing of CVC, wind noise supression. Supports A2DP function of mobile phone via Bluetooth directly high-quailty mobile phone music.(Bluetooth stereo) The power supply after opening, automatic back to even, automatic into the matching condition. Supports USB, SD card, support MP3/ WMA/FLAC music to format.