【QC3.0 and PD Fast Charge】：1 USB-C PD Power Delivery port (18W Max), 1 USB-A Quick Charge 3.0 port, improved charging efficiency, save time, and the other USB port is designed for normally charging or reading U disk, support quick charging two devices simultaneously.【6 EQ Mode Music Streaming】：2 stereo music player modes with 6 visual EQ mode adjustable(Normal/Rock/Pop/Classic/Jazz/Country) via bluetooth/USB flash drive(≤32GB), bluetooth 5.0 transmission is not distorted, full duplex sound quality, you can enjoy crystal music and podcasts through this FM transmitter.【7 Color Ring RGB Light】Bluetooth FM transmitter with 7 led backlit light, including red/ orange/ yellow/ green/ indigo/ blue/purple shut-off, design for music, with clear screen, no blind spot, driving safer. And it makes easier to be used at night and turned off with ease.【Power-off memory】wireless Bluetooth FM transmitter adapter for car radio, transfer calling/MP3 music/Cellphone voices to car speaker. When this product is powered off, it remembers the frequency that is used and the music in U disk that is played before when it is turned down. When this product is restarted again, it will continue play music that you listen to last time.【More compatibility】Wide Compatibility and Aux In&Output--Featuring Bluetooth 5.0 technology. It is compatible with most devices on the marke that Bluetooth enabled devices such as table,Samsung, Android smart-phones etc also all 12-24V cars or trucks.