?Safe Protections & Universal Bluetooth Car Adapter ? Passed CE, FCC and RoHS certifications. Multiple protections for overcurrent, overvoltage, overload, overheat and short circuit. Compatible with most smartphones and Bluetooth-enabled devices. Fit 12-24V car cigarette lighter (car, suv, truck, etc.). ?9-Color LED Design and Light Off? The car FM transmitter is designed with 9-color LED lights: red, blue, green, yellow, purple, cyan, white, rainbow, rainbow flow and light off. You will see the pulsating light in the dark and adjust the color you want. Facilitate the operation and safer driving when driving at night.Or you can TURN IT OFF. ?Music Adapter & Player? Connect car radio and this Bluetooth adapter via the FM channel. Then you can enjoy music from 2 ways by connecting bluetooth devices /USB flash drive(=64GB). PD 20W & QC 3.0 Fast Charging? LENCENT Bluetooth FM Transmitter is equipped with PD 18W Type-C and QC3.0 USB charging port, fast charging two devices at the same time. Support Samsung super fast charging and ipad pro/iphone/Google/Moto/LG/Android device fast charging. LENCENT can providing you a high-speed and convenient charging experience. ?Clearer Calls Based on Side by Side Stereo Microphone? The Side by side stereo microphone works in tandem to collect your voice from all directions, while the latest CVC noise reduction technology blocks out more road noise, wind noise and other distractions. Thus ensuring that both you and the caller can hear very clearly. Simply press the call button and enjoy easy hands-free calling and safer driving.