Hassle-Free Usage: The newly added automatic unoccupied-frequency search feature eliminates the need of searching for vacant channels manually. Upgraded to Bluetooth 4. 2: Enjoy crystal-clear music quality and phone calls delivered over the stable wireless connection. Hear Only What You Want: Noise-cancellation technology eliminates road and wind-noise so only the important audio gets through in your phone calls. Quick Charge 3. 0: Advanced technology provides high speed charging for your device. Never Forget Where You Parked: The Roav Charger app records your car’s location by setting a pin in the map the instant Bluetooth connection is lost SmartCharge F3 The Bluetooth FM Transmitter with Quick Charge 3.0 Charging Port From Roav ? The Smarter Way to Drive A collection of connected devices that enhances your driving experience Created by the same team as Anker?renowned for exceptional quality and innovation Hassle-Free Tuning The newly added automatic-tuning feature searches for unoccupied frequencies to broadcast a stable transmission of music and calls to, eliminating the need to search frequencies manually. Seamless Pairing Bluetooth 4.2 automatically connects to the last paired device and provides a stable connection for effortless streaming your music. Easy Set-Up Just plug in, select the FM frequency, pair with your phone, and hit the road. High-Speed Charging Quick Charge 3.0 technology provides up to 4x faster charging for your devices.