This car MP3 player is equipped with professional V3.0+EDR module and high-performance MP3 chip, which can transmit music files on your or or U disk to your car stereo wirelessly. Simple operation brings you instant music enjoyment. Just plug and play, turn your car FM , an empty frequency, and match it to this transmitter. It also provides hands-free calling your phone and charge for your and tablet PC. car and enjoy music on the way at same time. Feature - hands-free call. Supports answer, up, reject, and other functions. Seamlessly between music playing and hands- . - . Stream music and calls directly from your mobile devices to car stereo system via FM ( 87.5-108.0MHz). Just plug this into lighter socket of your car directly, plug and play. - Support Micro / memory card, U disk and Aux playing music files. - stereo music player. Supports A2DP function. Direct playing music of your mobile phone via . - Support dual USB output, with 5V 2.1A and 5V 1A charging ports, the maximum output is 5V/3.4A, support charging two devices at the same time, provide faster charging for mobile phones and tablets. Specification - Color: Silver - Material: ABS - Size: Approx. 9.5 x 5 x 3.9cm - Input Voltage: 12-24V - USB output: 5V / 2.1A, 5V / 1A - Power: 0.5W - Version: 3.0+EDR - FM: 87.5MHZ-108.0MHZ - sound processing: A2DP (Advance Audio Distribution Profile) function supported - transmission distance: Barrier-free 10~15M - Support protocol: HFP/HSP, OPP, A2DP/AVRCP, Package list: 1 charger