You can charge three devices simultaneously and get better charging performance with two USB ports and one Type C port for fast charging. With its 20W output power and USB-C power delivery port, you can fully charge your most recent iPhone, iPad, cell phone, or tablet. Your phone and the Bluetooth adapter car FM transmitter connect in an incredibly secure manner thanks to the Bluetooth V5.0 chip. It avoids some unstable connections because it pairs faster and has more stable sound than Bluetooth v4.2. Broadly compatible with cars that run on 12–24 volts and any devices that support Bluetooth. Pressing the B button will allow you to enjoy the amazing deep bass music with CVC technology and anti-interference performance. Additionally, the light will dance with such intense power.