1.Quick Charge 3.0: Efficient USB charging technology . Up to 4X faster than standard chargers, able to charge compatible devices to 80% in just 35 minutes. Equipped with a voltmeter to show you the condition of your car battery.2.Enjoy Bass Music- The car Bluetooth transmitter is designed with Bass sound effects, which can enhance the songs like heavy bass songs or light music to provide you a different auditory sensation. Moreover, the car FM transmitter supports for from Bluetooth devices or USB flash disks to play music.3. 7 Color LED Backlit Version: Supports 7 colors led backlit light, you can get visually stunning display of colors. Which is a nice way to match the colors that are already in the car.Noise Reduction- The Bluetooth chip establishes an ultra-secure connection between your device and the bluetooth car adapter.4.Siri & Google Assistant Compatible: FM transmitter Bluetooth supports voice commands to ensure safe driving, using Siri or Google Assistant to make phone calls, send texts or get driving directions. Enjoy complete voice-control while you driving.