The TeckNet In-Car Universal Wireless FM Transmitter Radio Adapter with 5V/2.1A USB Car Charger is a great way to listen to your favorite music while you’re on the go. This device uses Bluetooth technology to connect to your smartphone, tablet, or other Bluetooth-enabled device, allowing you to stream music, podcasts, and more directly to your car’s FM radio. The 5V/2.1A USB car charger also allows you to charge your device while you’re listening. The device is easy to use and set up, and the sound quality is excellent. With this device, you can enjoy your favorite tunes while you’re on the road.