Newest Bluetooth 5.3 Technology - Bluetooth FM transmitter 5.3 FM transmission technology, you a faster, more stable and smarter connection with less sound quality loss,uninterrupted calls and music experience. It takes only 1 second to complete pairing, and no need to repeat pairing after the first successful pairing with your device. Hands-Free calling & Noise Reduction - Bluetooth transmitter built-in microphone,latest CVC8.0 noisecancellation and Digital Signal Processor ()technologies, technology can clearer calls between you and your family and friends. Just click the middle button to answer/hang up/reject/redial calls, wake up and Voice Assistant. 57W Fast Charging & Smart Port - The FM transmitter bluetooth is equipped with PD 45W Type-C and QC3.0 12W USB charging.can charge two devices simultaneously. Built-in over-current protection, over-voltage protection, intelligent temperature control, short circuit protection, it will effectively safe charging. Multiple play modes & breathing light - The bluetooth radio transmitter for car can from Bluetooth devices to the car stereo via can from Bluetooth devices to the car stereo via FM signals; it can also read music files from USB flash disks (less than equal 64GB), supporting MP3, WMA, WAV, APE and FLAC formats. Ambient light breathes slowly and can be adjusted off, so you can see the buttons clearly in the dark. Hi-Fi Bass & Roller Adjustment - Adjusting the bass and treble wheel allows you to enjoy powerful deep bass and immersive stereo sound, Hi-Fi sound quality will also make the music more dynamic and pleasing to the ear, take your passion for music to level. Colour:As Shown Material:ABS+Aluminum Package Contents: 1 * car adapter 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.