3-in-1 USB PD 3.0 Type-C & QC3.0 Ports Two USB ports and one Type-C port can allow you to 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 v5.3 Noise Reduction with Wide Compatibility Bluetooth v5.3 chip can establish an ultra-secure connection between mobile phone and car FM transmitter through the Bluetooth adapter. Faster pairing and more stable sound than Bluetooth v4.2 allows 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 Booster With 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 loud music and amazing.The gradient lamp brings you the party atmosphere.More stable hands-free calling It provides a stable connection, while CVC noise cancellation provides an incredible hands-free calling experience.Activate Siri and Google Assistant LENCENT The Bluetooth V5.0 FM transmitter allows you to send clear voice commands for safe driving. By asking Siri or Google Assistant to call, send a message or get driving directions, so that you can fully concentrate on the road. This option allows you to drive safer.