This product is a wireless car charger MP3 player for car charging. Adapting professional high performance module, and built-in mp3 make it capable of playing the music files card, firing into the car stereo via wireless fm. Besides, during the connecting, play the phone’s music and the to car audio, as the calls incoming to the speaker state, when call ends, it will back to music playing. The product with embeded micro phone, you can easily between music and phone calls. Feature - ColorBlack - Material: ABS - Size: 13 x 10 x 3.5cm - version 4.0, support call, music transmission, caller number - Support / U disc player and reader function, support MP3/WMA format music - Double USB charging port 2.1A can expand the portable device function, suitable for all mobile phone, tablet and other electronic products charge - 1.3 inch LED screen, display frequency point, file name, and working state information - Support menu setting language, playback mode, and sound mode - Support power failure memory and folder playback - AUX input and output function, open display voltage - One button , pause, listen / / listen / down key - FM emission frequency 87.5-108.0MHZ Package list: 1 MP3 Player