About this item 3-in-1: USB QC3.0 and PD 3.0 Type-C Ports Dual USB ports and a Type-C fast charging port allow you to charge 3 devices at the same time and provide better charging performance. It will be available to activate the fast charging feature once with QC 3.0 enabled and PD 3.0 enabled devices. Hands-free Call Higher microphone, automatically switches from music playback status to hands-free mode when receiving calls. Answer / redial / put on / reject calls with a single button. In addition, you can also achieve crystal clear voice navigation through your phone app, making driving safer. Noise Reduction - Upgraded Bluetooth V5.0Bluetooth V5.0 chip creates an ultra-secure connection between your phone and Bluetooth adapter FM transmitter in the car. Anti-interference performance and latest CVC technology can eliminate clutter and block annoying background noise (such as wind, traffic or crowds). Automatically set up a saved connection when turned on. 9 Color LED Design - The car FM transmitter is equipped with 9-color LED lights: red, blue, green, yellow, purple, cyan, white, rainbow, flow rainbow. Then you will see the light button in the dark and adjust the color you want. Facilitate operation and safer driving during night driving. Safety Function The FM transmitter shows the car voltage when connected to the cigarette lighter. Master the state of the car battery at all times to avoid errors during driving.