CD Car Kit FM Transmitter USB Charger TF MP3 Wireless Handsfree Mic Features: 1.Support Bluetooth Handsfree, built-in microphone,safe and convenient to answer the call, call when the noise processing of CVC,wind noise suppression. 2.Support A2DP function of mobile phone,mobile phone via Bluetooth directly broadcast high-quality mobile phone music 3.The power supply after opening,automatic back to even,automatic into the matching condition 4.Support USB/micro SD card(1G-32G),support MP3/WAV/WMA.FLAC music format 5.Can charge for various intelligent mobile phone,USB output 5V500A 6.Support to connect the computer to download function,can be directly connected the computer to download songs microSD/TFcard (microSD/TFcard are not included) 7.With 21 key multi function infrared remote control, can realize the digital song remote dial 8.Bluetooth audio process with A2DP function (Advance Audio Distribution Profile) Specification: Rated voltage 12-24V Power consumption 0.5W Work temperature -20~50 degree Frequency response 20Hz-15kHz Bluetooth version v2.1+EDR Bluetooth transmission distance 10-15m FM emission frequency 87.5-108MHz USB charger output 5V/500mA Remote Control Battery lithium ion battery(Battery are Included) Transmitter Size 7cm*4cm*1cm Color Black Pairing: 1. The car MP3 transmitter inserted into car cigarette lighter 2. FM Transmitter automatically enters pairing states 3. Open the phone Bluetooth, and search"BT CarKit" and paired, pass