Car Bluetooth FM Transmitter Receiver Radio MP3 Wireless Adapter USB PD Charger Features： Type-C and QC3.0 port for fast charge, DC output 5V 3A/ 9V 2A/12V 1.5A max. 9 light color modes: Red, Blue, Green, Yellow, Purple, Cyan, White, Rainbow, Breathing rainbow, light switch design of the outer circle creates new atmosphere to the car interior space. Activate phone voice control like Siri, Bixby, Google Assistant, etc. Transmit the music/navigation of your Bluetooth enabled phone to car stereo via FM signal. Bluetooth V5.0, auto connect last device. Answer hands-free phone calls during driving. Transmit the music from U disk (Up to 32G) to car stereo via FM signal. Play lossless music from U disk. Display car battery voltage while plugged in car charger port.