Bluetooth Receiver, Kshioe Bluetooth Car Kit Wireless Bluetooth 4.0 Music Receiver with Free Bluetooth Headset, Dual USB, Magnetic Base, Built in Mic -Black 1. It is a Bluetooth Receiver. With Bluetooth 4.0, you can connect Kshioe L-BT8714 Bluetooth Transmitter with your mobile devices via Bluetooth and then you can play the music through by your car's audio sound system. Enjoy every journey with your favorite music. 2. It is a Hands-free unit. With the built-in microphone, you can answer your phone or call back directly fromby this receiver directly, which ensures a safe driving and easy calling. 3. It is a Bluetooth earphone. Integrated with a free Bluetooth earphone, you can answer the call or listen to the music in privacy. Just pick it up from the kit and the sound will be automatically switched to the earphone. Put it back and the sound will be switched back to the car's audio system. 4. Simple and Easy Wireless Set Up, Automatically Connects. After your first successful pairing, once you turning on this Bluetooth Car Kit, your mobile device will connect to it automatically when you come back into your car. 5. We offer one year warranty for this Bluetooth Transmitter. Like us on Facebook and you can extend the warranty to 24 months and get fast response from us. Contact us for more details.