Hassle-Free Usage: The newly added automatic unoccupied-frequency search feature eliminates the need for 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. What’s in the Box: Roav SmartCharge F3, Owner’s Manual, Happy Card .