1. [Clearer Calls Based on Enhanced Dual Mics] The 2 microphones work in to collect your voice from all directions, while the latest 8.0 noise reduction technology blocks out more road noise, wind noise and other distractions. Thus ensuring that both you and the caller can hear very clearly. Simply press the call button and enjoy easy hands-free calling and driving 2. [48W PD&QC 3.0 Fast Charging] Bluetooth FM Transmitter is equipped with PD 30W Type-C and QC3.0 18W USB charging port, fast charging two devices at the same time. Support super fast charging and pro//Google//LG/Android device fast charging. This 48W high power car adapter charges faster than 99% of Bluetooth car adapters on the market 3. [Upgraded Bluetooth 5.3] FM transmitter uses the latest Bluetooth 5.3 technology, optimizing the transmission delay and connection defect problems of the old Bluetooth 5.1. Bluetooth 5.3 will bring 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 4. [Hi-Fi Deep Bass & AUX Mode] Just press the button "b" and you will enjoy powerful deep bass and immersive stereo sound. The high-fidelity Hi-Fi sound quality will also make the music more dynamic and pleasing to the ear, taking your passion for music to a . In addition, this Bluetooth car adapter supports AUX connection and USB stick connection, so you can connect your FM transmitter to your car via the included AUX cable and enjoy the CD-like sound quality. 3 music modes support Bluetooth BT5.0, U disk AUX three kinds of connection mode more convenient to use The whole car 360 bass surround sound quality more shocking Music Night Vision Dance Circle Lights 12 colors breathing mode randomly switch the desired color Bluetooth BT5.0 for faster connection and more stable transmission 48W rate, support two devices at the same time fast charging Colour:black Material:PC Size: 5 x 4.5 x 7cm Package Contents: 1 x Bluetooth transmitter 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.