Dual Port USB Car Charger Bluetooth FM Transmitter,CrazyFire Wireless Hands Free Car Kit with Music Control and Hands-free Calling for iPhone 6/6s,6/6s Plus,5 5S 5C,Samsung Galaxy S6 and iPad Tablet CrazyFire FM transmitter is dual USB output, you can charge two devices at the same time ,the maximum output is 5V / 2.1A Simply paired your phone with the Bluetooth FM Transmitter and its hands-free system can set free your hands during answer the calls and let you safely drive Auto connect function. You can leave the device switched on and when you return to your car it will instantly recognize and reconnect to your mobile. Support Line audio input, U Disk Player, MP3 and WMA format music. Fashion design, small size, occupy small space. With this product, you can greatly enjoy the music and picking the call up, and have no need to worry about your mobile devices is lack of electric energy. It is perfectly suitable for the car owners