High Quality Bluetooth Transmitter:- More stable FM signal, better anti-interference performance, enhanced sound experience and built-in microphone with echo cancellation and noise suppression (CVC) technology,Bluetooth FM Transmitter can help you provide hands-free calls and wonderful Music. Wide Compatibility:- This Bluetooth Car FM Transmitter is compatible with most Bluetooth-enabled devices, such as iPhone, iPad, Tablet, Samsung, HTC, Sony and other Android smartphones; it can stream music directly through FM broadcast signals Make calls from mobile devices to car stereo speakers. Easy Charging:- With two USB charging ports, you can fully charge the device in a short time. The power source comes from the cigarette lighter, so it is suitable for most cars. Stable Bluetooth Connection:- Bluetooth car adapter solves the problems