CLEAR SOUND & LOSSLESS MUSIC: Built-in dual microphone design captures sound better than individual microphones. CVC noise cancellation technology effectively reduces noise and echo; Advanced Bluetooth 5.0 chip ensures stable connection and fast transmission. With this car Bluetooth adapter, you get clear calls and phenomenal Hi-Fi music streaming while driving. USB-C PD & 3 USB PORTS: The Bluetooth FM transmitter has 3 charging ports: One 18W USB-C (Type-C) PD charging port delivers 5V/3A, 9V/2A, 12V/1.5A max, capable of charging 50% of compatible devices in just 30 minutes; A 5V/2.4A USB port is used for normal charging; There is a USB port on the top that can also be used as a charging port. Share the charging port with your friends while listening to music. 2.0 inch LCD Screen & Power Button: The FM transmitter has a large LCD screen that displays the FM frequency and car battery voltage, which is very convenient to read day and night. One button to turn off saves you from having