Power Delivery (PD): Supports fast charging up to 30W via USB-C. FM Transmitter: Streams audio from your phone to your car stereo. Voltage Display: Monitors and displays your car battery's real-time voltage. Audio Features: Includes a dedicated "Bass" boost button and a crisp built-in microphone for hands-free calling. USB Playback: Features a standard USB-A slot to play music directly from a flash drive.