Automatic Frequency TuningAre you tired of tuning FM frequency by pressing the button over and over again? Our Bluetooth FM transmitter can automatically scan the unoccupied FM channel in 1 sec, and you just need to short press the CH/A button twice to start scanning | 1.8” Color Screen & Flexible Goose-neckThe LCD screen is large and clear enough to read voltage, volume, song nameUnder TF/U-disk Modes, incoming number, channel, etc. at the daytime and night. FM Bluetooth transmitter’s neck is of great flexibility for better and convenient repositioning which is suitable for all cigarette lighter ports | 3 USB Port & QC3.0 Fast Charge There is a USB port for U-disk reading only, a regular 5V/2.4A USB charging port, and a QC3.0 fast charging port with quadruple charging speed than normal. Now you can simultaneously charge 2 devices rapidly while listening to music | Crystal Clear Sound & 5 EQ ModesAdopted CVC noise cancellation technology, its sound quality is phenomenal when playing via U Disk/TF Card/Bluetooth/Aux Cord. Our Bluetooth car adapter also has CLASSICAL/POP/ROCK/JAZZ/ NORMAL four music styles that you could choose. Support most audio format MP3/WMA/WAV/FLAC/AAC | Better Hands-Free Calling ExperienceWith the first-rate Bluetooth chip inside, its connectivity is stronger and more stable without randomly disconnecting trouble. The sensitive built-in microphone also works loud and clear for hands-free calling, so you don’t need to yell loudly anymore | Connector type: USB 3.0