bluetooth 4.2 FM Wireless Radio Transmitter Adapter Dual USB Car Charger with Handsfree Calling A2DP Aux

Description:1. DUAL USB PORTS FOR SMART CHARGING: BC37 bluetooth FM Transmitter comes with 5 V/1 A output and 5 V/ 2.4 A(with Quick Charge 3.0) output, available for 2 devices charging at the same time, no need to worry about finding room for second USB output; Features separate USB flash disk port, it will not interfere with charging the devices while you play MP3/ WMA format music files.2. HANDS-FREE CALLING WITH HIGH SOUND QUALITY: BC37 FM Transmitter bluetooth uses CVC technology to control noise and storm then creates full-duplex sound quality, promise the high sound quality; Build-in microphone, make this Wireless bluetooth FM Transmitter supports hands-free calling, answer calls with one click and safely while driving; Besides, the car radio transmitter supports incoming call number display and last call redial3. 5-IN-1 FM TRANSMITTER WITH 4 MUSIC PLAYING MODES: BC37 Car bluetooth FM Transmitter possesses the functions of dual USB Car Charger, Car Radio Adapter, Music Player, bluetooth Speakerphone and Voltage Detector. This FM Radio Transmitter supports bluetooth, AUX Input/Output, TF CardU Disk (MP3 or WMA format), satisfy your different requirements.4. BROAD COMPATIBILITY: BC37 Car FM Transmitter works well with most smartphones, tablet, iPad and other bluetooth enabled devices. Support full FM radio frequency range from 87.5 to 108.0 MHz. NOTE: To insure audio work perfectly, we suggest connect to a EMPTY channel.5. 360 Rotation is avalibale,is easy to rotate the