Fm Transmitter, Wireless In-car Bluetooth Fm Transmitter with Dual USB Car Charger,hands-free Calling for Iphone 6s 6 Plus Ipod Smartphones This fm transmitter for car with bluetooth can transmit voice to your car audio. When the radio is turned to the same frequency with this bluetooth fm transmitter car kit, music in u-disk or mobile phone voice will be played by your car audio system. Bluetooth handsfree calling is available for this fm transmitter wireless radio car kit. When Bluetooth of cellphones and the handsfree bluetooth car kit are matched, you can handle calls with handsfree, which make the driving safer. This car speakerphone fm transmitter supports u-disk input, adjusting the frequency same to your car fm radio,and insert the u-disk, music will be played automatically. You and your friends can enjoy wonderful music in a relaxed jurney. This stuff is not only a fm transmitter bluetooth, but also a cellphone car charger, 2 usb in this bluetooth car charger adapter. Two devices, your cell phone, ipod, ipad, mp3 and others,can be charged at the same time, never worry about power off and out of touch with your family and friends. Aux input is supported by this aux fm transmitter for car,your cellphone, mp3 or other devices, eventhough items with no bluetooth can be connected by aux cable supplied by us. You can get more stable music playing experience.