CLEAR SOUND AND LOSSLESS MUSIC: Built-in dual microphones design collects sound better than single microphone; 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. USB-C PD FAST CHARGING & 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 compatible devices to 50% in just 30 minutes; A 5V/2.4A USB port is for normal charging; A USB flash drive 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 to read at night and day. One button to