[PD 20W and QC 3.0 Fast Charging]The wireless bluetooth car adapter can fast charge two devices at the same time via PD20W and QC3.0 ports. This car charger also has a USB charging port (5V/1A) as a USB flash drive port to . The FM transmitter has built-in overcurrent protection, overvoltage protection, overcharge protection, overload protection, overheat protection and short circuit protection to safe charging of the wireless adapter charger. [Powerful Dynamic High-Fidelity Bass Boost and Backlight] FM transmitter radio with powerful bass driver technology, through the effect button "b", you can enjoy 100% more bass than ordinary bluetooth FM transmitter. (In addition, press and hold the "b" button for 2 seconds to turn off the light) The upgraded Bluetooth 5.0 adopts DSP technology, which can 2 more stable transmission speed, and the surrounding blue LED backlight dances with the rhythm. [Safe Joystick Design]This FM transmitter chooses -friendly analog joystick controller, which is superior to competitors' usual switches, just pull the joystick to the whole operation and . The hands-free function ensures driving safety, one-button /reject/raise hand/recall. Color: black : plastic Package Contents: 1 x Car Bluetooth FM Transmitter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.