3 Charging Interfaces & PD3.0 Fast Charging Bluetooth FM Transmitter with PD3.0 Type C port, the PD supports 18W fast charging function. Charging speed is 70% faster than normal .USB charging ports: PD / 18W, 5V / 2.4A, 5V / 2.4A Max (U hard disk connector). It can charge 3 devices at the same time, very convenient. Hands-free with microphone Support A2DP, an excellent built-in microphone with noise reduction technology (CVC), available for making free-to-air calls, to ensure safe driving. Assistance to answer / hang up / refuse / redial a number; Long press the? Hands-free? Button. to activate the Siri / Google voice assistant. Deep Bass Music & HD Sound Quality The bass design, just press the "" EQ "" bass button, you can enjoy the deep bass music in your car, if you want, which makes you more comfortable when driving. 3 music playback modes, via Bluetooth, U disk (32G max), micro SD card (32G max), HD sound quality, travel is no longer boring. 7 inch backlit and 1.4 inch LED screen display 7 color LED backlight including red / green / blue / yellow / purple / cyan / white, long press "light" button which alternately displays 7 colors. In addition, 1.4 inch LED screen produces great visual effects, very comfortable while watching. Bluetooth V5.0 connection features It integrates Bluetooth V5.0, also compatible with V1.2 / 2.0 / 2.1 / V3.0 / 4.0 / V4.1 / V4.2 version, provides more stable connection. Specification FM tuning range: 87.5 ~ 108 MHz Support audio format: MP3 / WMA / WAV / FLAC Support Bluetooth protocol: A2DP / AVRCP / HFP / HSP USB 1 PD fast charge port: Support PD3.0 fast charge (18W max.) USB charging port 2 / U hard disk port: 5V / 2.4A USB charging port 3: 5V / 2.4A 3 music playback modes: Bluetooth / U Disk (max 32G) / Micro SD card (max 32G) Hands-free calling and voice navigation Supporting hands-free calling and navigation broadcasting, this bluetooth radio transmitter will make your driving safer and more focused without distraction during frequent screen checking. CVC noise cancellation technology can also effectively reduce noise for a very clear call. 3 USB ports Contains PD3.0 The 5V / 2.4A port is for charging smartphones or tablets at standard speed. Type-C PD3.0 connector enables high speed charging for iPhone 11. No matter which cell phone you use, you can charge it easily. Automatic voltage monitoring Auto vehicle voltage detection and LED screen display help to know the voltage status of the car. Under 12V: dangerous voltage range, the battery must be replaced. Wonderful deep bass music ("" EQ "" button) It's so nice to enjoy your favorite songs especially listening to the deep bass car music while you are driving which is so cool and exciting. This Bluetooth FM transmitter can help you achieve deep bass and stimulate and stimulate your nerves. Loved car with cool music, helping you drive more.