Description:100% Brand new and high quality4in1 design、FM Transmitter & Car Charger & Handsfree & MP3 PlayerCar Stereo Wireless FM TransmitterModulates the audio frequency signal to FM signal WirelesslyYou can enjoy the Digital Music freelyColor:WhiteFM channels from 87.5-108.0 MHzLCD Display displays FM FrequencyBlue backlight of LCD DisplayIt's a car charger、with USB 2.0 pot、Support iphone、Samsung and other mobile phone charging.Supports USB flash driveSupports external CD、 MP3 player audio inputSupports MP3/WMA music format3.5 mm audio interfaceOvercharge protectionInput:12-24VOutput:DC 5V/2.1A Packing list:1 x Car MP3 player