About this item Car ChargerWith one 18W Type-C PD port and one 18W QC3.0 fast charging port. Equipped with 2 USB ports (5V 2.4A and 1A), you can charge two devices simultaneously. Via the USB port with the lightning bolt icon, you can not only listen to music via the USB port, but also charge any of your devices. 3 Play Modes With the technology of CVC noise cancellation, you can enjoy full duplex sound quality via 3 methods: 1): Playing music via bluetooth; 2): Play music from SD card (up to 32GB), supporting MP3, WMA, WAV, FLAC format files; 3): Stream music from USB flash drive (up to 32GB). Hands-free Calls and Navigation BroadcastOne click button to answer, redial, hang up or reject calls; Easily switch between incoming calls and music. This FM transmitter supports the existing navigation app on your phone, you don't need to look at the phone to ensure safe driving. Car Voltage Detection and Ambient LightThe FM transmitter will display the voltage of the car when plugged into the cigarette lighter. Keep abreast of car battery status at all times to avoid drivability issues. 9 Light ModesWith 8 static and 1 dynamic RGB modes, you can short press the light switch button to achieve the 7 single color modes, including red, green, blue, yellow, purple, cyan, white. And then short press 8 times and 9 times to enjoy static rainbow and dynamic rainbow lighting modes.