Efficient Car Charger: Comes with 3 USB ports(PD18W, QC3.0, 5V/1A), you can charge multiple devices while youre listening to music or podcasts. The USB C PD 18W and USB-A QC3.0 quick-charge options top up your phone battery quickly, which is four times faster than usual. High-performance Calls: Bluetooth 5.0 provides smoother connections and better stability. The built-in microphone and noise-canceling technology work well to deliver crystal-clear sound quality on phone calls without dropouts and audio glitches. Single-button control for answer, end, and reject calls to achieve hands-free mode. Soft RGB Backlit: Upgraded 8 static modes and 1 dynamic RGB mode, including single color lighting modes of red/green/blue/yellow/purple/cyan/white, static rainbow, and dynamic rainbow lighting mode. Voice Assistant: Long press the RGB button to activate the voice commands function. This Bluetooth FM transmitter supports using the smart Siri or Googlessistant to make calls, send texts etc..