Θ【PD & QC USB Fast Charger】: The car Bluetooth FM transmitter can fast charge two devices simultaneously via PD 18W and QC 3.0 port, 4X faster than standard chargers. In addition, it also features a USB charging port (5V/1A) as a USB flash drive port to play music. | ☎【 Enhanced Micporhones】: This Upgraded Bluetooth Car Adapter utilizes stronger microphone, greatly pick up voices from all direction while driving benefited from superior sound reception and noise suppression (CVC) technology effectively reduce road and wind noises. | ☄【7 Color LED Backlit 】: Bluetooth FM Transmitter supporting 7 colors led backlit light, including Red/ Green/ Blue/ Yellow/Orange/ Purple/ Cyan, this Bluetooth fm transmitter will give you a visually stunning display of colors, which is a nice way to match the colors already in the carand also makes it easier to operate and drive at night.Equipped with an LED voltmeter that shows you the condition of your car battery to keep you up to date on the condition of the vehicle. | ♬【Hi-Fi Stereo Music Streaming】: This Bluetooth car adapter equipped with noise and wind suppressed by CVC technology that can achieve full duplex sound quality. The Upgraded Bluetooth 5.0 with DSP technology could deliver 2X steadier transmission speed without distorted for Hi-Fi stereo music and seamless streaming via Bluetooth and usb flash driver(≤32GB) . WMA MP3 WAV APE FLAC music formats are all supported. | ★【Bluetooth 5.0 & Wide Compatibility】: Built-in advanced Bluetooth V5.0 significantly increase transmission speed, providing faster matching and stable connection. is well compatible with most of the smartphones and more devices that equipped with bluetooth function. Also, you can adjust its frequency ranging from 87.5MHz - 108 MHz.