EASY TO USE: Connect the transmitter to the vehicle's cigarette lighter, set up and pair the device with an unused station, connect your smartphone to the transmitter and start listening to your music in your vehicle.BLUETOOTH V5.0: Activate your vehicle's Bluetooth connection with the NK transceiver adapter. It provides fast connection, very stable signal reception, anti-interference performance, lower power consumption, etc.FAST CHARGING: Keep your devices always charged when driving. Supports Quick Charge 3.0 and PD 3.0 USB cables for Type-C. In short, it charges your devices efficiently and quickly.ANSWER CALLS: Supports Siri voice commands and hands-free calls to ensure safe driving. Use Siri to make phone calls, send text messages or get driving directions.VISUAL EFFECT: The FM radio transmitter is equipped with a 6-color LED backlight, which allows you to to achieve exquisite visual effects in the car at night.