CLEAR SOUND AND LOSSLESS MUSIC: Built-in dual microphones design collects sound better than single; CVC noise cancellation technology effectively reduces noise and echo; Advanced Bluetooth 5.0 chip ensures stable connection and fast transmission. Thus, this car bluetooth adapter will bring you clear calls and phenomenal Hi-Fi music streaming while driving. FAST CHARGE USB-C PD & 3 USB PORTS: The Bluetooth FM transmitter has 3 charging ports: One 18W USB-C (Type-C) PD charging port outputs 5V/3A, 9V/2A, 12V/1.5A max and is capable of charging devices 50% compatible in just 30 minutes; A 5V/2.4A USB port is for normal charging; A USB dongle port is on the top which can also be used as a charging port. Share the charging port with your friends while listening to music. 2.0 Inch LCD Screen & On/Off Button: The FM transmitter has a large LCD screen that displays the FM frequency and car battery voltage, which is very convenient for reading at night and day. One button to turn off, save your effort of plugging or unplugging every time you start and get out of your car. Just long press the CH button 3S to turn off the FM transmitter. HANDS-FREE CALL & VOICE ASSISTANT: Only click the call button to answer/redial/hang up/reject calls. You can stay fully focused on the road by using Siri or Google Assistant to make calls, send texts or get directions. In addition, this Bluetooth car kit supports the broadcast of voice notifications from the existing navigation application. You don't have to look at your phone so often anymore. 9 COLORS LED BACKLIT: Do you want your car interiors to look cooler and more stunning? The backlight circle design will meet your expectations with its 9 lighting color choices, including Red/Blue/Green/Yellow/Cyan/Purple/White/Rainbow/Breathable Rainbow. With the light, you can find the buttons more accurately and quickly in the dark, ensuring safe driving (Note: The light can be turned off).