3-in-1 USB PD 3.0 Type-C and QC3.0 PortsTwo USB ports and one Type-C port can let you quickly charge three devices at the same time, and provide better charging performance . Once you use a device with QC 3.0 enabled and PD 3.0 enabled, it will be able to activate the fast charging function. Bluetooth v5.0 noise reduction with a wide range of compatibility The Bluetooth v5.0 chip can establish an ultra-secure connection between the mobile phone and the auto FM transmitter through the Bluetooth adapter. Faster torque and more stable sound than Bluetooth v4.2 enables it to avoid unstable connection. Widely compatible between all bluetooth supported devices and 12-24V cars. Hifi Music Show with Gradient Lights and Deep Bass BoosterWith anti-jamming performance and CVC technology , you can enjoy wonderful deep bass music by pressing the B button, and the lights will jump with this amazing loud music. The gradient lamp brings you the atmosphere of the party. More stable hands-free callsIt provides a stable connection, while CVC noise cancellation provides an amazing hands-free call experience. Enable Siri and Google AssistantBluetooth V5.0 FM transmitter can send clear voice commands for safe driving. By asking Siri or Google Assistant to call, send a message or get driving directions, so you can fully concentrate on the road. This option allows you to drive more safely.