Efficient Car Charger: Equipped with 3 USB ports (PD18W, QC3.0, 5V/1A), you can charge multiple devices while listening to music or podcasts. USB C PD 18W and USB-A QC3.0 fast charging options quickly charge your phone's battery up to four times faster than usual. High performance call: Bluetooth 5.0 provides smoother connection and better stability. The built-in microphone and noise-canceling technology do a good job of delivering clear calls without dropouts and audio glitches. One-button control to answer, hang up, and reject calls to realize hands-free mode. Soft RGB backlight: Upgrade 8 static modes and 1 dynamic RGB mode, including red/green/blue/yellow/purple/cyan/white monochromatic lighting mode, static rainbow and dynamic rainbow lighting modes. Easily switch colors or turn off the backlight with a short press of the button. This bluetooth car adapter brings you a romantic atmosphere while driving! High-fidelity music streaming: Not only can you stream music wirelessly from your Bluetooth-enabled phone, but you can also play music directly from a USB disk. With a full range of audible frequencies, you can freely enjoy clear and interference-free high bitrate music from your smartphone on the go! Voice Assistant: Long press the RGB button to activate the voice command function. This bluetooth FM transmitter supports making calls, sending text messages, getting driving directions or voice navigation with smart Siri, allowing you to focus on the road and making your driving easier, safer and more convenient.