Newest Bluetooth 5.3 Technology & PD 30W Fast Charging: Built-in newest Bluetooth 5.3 chip provides a faster and more stable connection for streaming music and hands-free calling without dropped calls and audio glitches. This car bluetooth adapter has a Built-in microphone and supports phone smart voice navigation. Equipped with PD 30W super-fast charging and a 2.4A USB port, completely eliminate battery life anxiety.Exclusive HiFi Treble and Bass & LED Backlit: Exclusive Treble and Bass knob design, set according to your preferences, enjoy the perfect Treble and Bass Sound Music. The LED backlight dances with the rhythm. This bluetooth transmitter enables you to stream lossless music from any bluetooth enabled device, and supports MP3, WMA, WAV, APE, and FLAC. Noise-canceling technology suppresses road noise to give you clear, crisp audio for hands-free calls.Safer Driving, Better Hands-Free Calling: Easy to answer or hang up calls with one button, no need to hold your phone. FM Transmitter Support Siri, and Google Assistant, easily use them to make a call, send a text, or get driving directions so you can focus on the road. Streaming Streams audio from navigation apps/Siri/Google Assistant to your car for safer driving. The Noise Cancellation (CVC) technology provides an amazing hands-free calling experience.180-Degree Rotatable LED Screen:This bluetooth FM transmitter for car has a 1.38-inch large LED backlit, better display phone calls, FM channels, music, and other information, and detect and display your car's battery power when the car is started. 180-degree rotatable LED screen offers the best viewing comfort. Long pressing the call button, will turn off the FM function and keep the charging function, with no depletion of car battery power. Nice car accessories that you must have.