【Bluetooth 5.0 Pair in Seconds & Stereo Sound】The Bluetooth 5.0 chip establishes an ultra-secure connection between your phone and your car adapter Bluetooth FM transmitter. With anti-interference performance and CVC technology. Enjoy listening to music while charging. Automatically connects in memory when power on.Hands-Free Calls: The Bluetooth FM transmitter has a built-in microphone and CVC noise reduction technology, which gives you clear phone calls and allows you to easily answer, hang up, reject incoming calls or redial the last number with one click of the button. Makes your driving safer. USB Type-C Fast Charging & 2 USB Ports: It can fast charge 3 devices simultaneously and compatible with most devices on the market. Intelligently identify Android or iPhone devices and charge. 7 Ambient Light Colors Around You: You can change the light colors around the LED screen by pressing the button as you need. Different colors show different atmosphere in your car and can be turned on/off. They also help you find buttons and ports in the dark.【Wide Compatibility】This upgraded FM transmitter supports music playback via Bluetooth, TF card and USB flash drive and it will automatically detect and play music in MP3/WMA/FLAC/WAV/APE. Compatible with most devices on the market.