PD 20W andamp QC 18W Fast ChargingDual USB and one Type-C port for fast charging, allowing you to charge 3 devices at the same time and provide better charging performance. Equipped with a USB-C power delivery port and 20W output power, you can charge your latest iphone, ipad, mobile phone, tablet at full speed. Noise Cancellation - Bluetooth V5.0 with Wide CompatibilityBluetooth V5.0 chip creates an ultra-secure connection between your phone and the Bluetooth adapter car FM transmitter. Faster pairing and more stable sound than Bluetooth v4.2 make it avoid some unstable connection. Widely compatible with any bluetooth enabled device and 12-24V car. Better Hands-Free Calling andamp Voice NavigationBluetooth provides a stable connection, while CVC noise reduction and echo cancellation technology provides an incredible hands-free calling experience. Activate Siri and Google AssistantLENCENT Bluetooth FM Transmitter V5.0 can realize clear voice commands to ensure safe driving. By using Siri or the Google Assistant to make a call, send a message, or get driving directions, you can keep your eyes on the road. This option allows you to enjoy safer driving.