Noise-canceling - Bluetooth V5.0 With Wide Compatibility The Bluetooth V5.0 chip establishes an ultra-secure connection between your phone and the bluetooth adapter car FM transmitter. Faster pair and more stable sound than bluetooth v4.2 make it avoid some unstable connection. Widely compatible between any devices which support bluetooth and cars in 12-24V. .Lossless Hi-Fi Sound- Deep Bass BoosterWith anti-interference performance and CVC technology, you can enjoy the fantastic deep bass music by pressing the B button. Plus, the light will dance with such stronger and powerful music. Gradient lights would truly bring you party atmosphere. .Better Hands-Free Calling And Voice NavigationBluetooth provides a stable connection, while CVC noise cancellation provides an incredible hands-free calling experience. .Activate Siri and Google AssistantLENCENT Bluetooth FM transmitter V5.0 can achieve crystal clear voice commands to ensure safe driving. You can stay fully focused on the road by engaging Siri or Google Assistant in making phone calls, sending messages or getting driving directions. This option allows you to enjoy a more safer driving. .