Stereo sound: Play music via U disk, TF card or Bluetooth and listen to crystal clear music via your speakers. Bluetooth transmitter: Get a Bluetooth transmitter for your car. Microphone: Built-in performance microphone with noise suppression technology for clearer hands free. USB: Features dual USB ports to enable you to charge two mobile devices at the same time. Bluetooth: Supports high definition audio and provides the best sound quality for you to enjoy. Compatibility: Pair with Bluetooth enabled devices such as iPhone, Samsung and more! | Bluetooth Car Transmitter | Wowcher