Noise Cancellation&Hi-Fi Sound Quality: noise-cancellation technology dampens the road noise and gives you clear, crisp sound for hands-free calls. Music Streaming ensures crystal clear sound for listening music and hands-free calls.Note: Our products are able to pair with all related equipments, please read the manual in detail before use. If you have any questions or concerns, please feel free to contact us for assistance. We provide responsive and helpful customer support.Wide Compatibility: FM modulator transmitter is compatible with most devices, such as iPad, iPhone, iPod, MP3 player, tablet and Android Smartphones. You can play your favorite songs on car stereo via Bluetooth, TF Card and Aux Cable. And it fits 12V-24V cars and trucks.Bluetooth V5.0: With the Bluetooth V5.0 technology, the car bluetooth adapter can provide a more stable and faster connecting without intermittent disconnection.Flexible Gooseneck: The rotatable Gooseneck of the wireless radio adapter can provide you with an adjustable viewing angle and optimal viewing comfort of LCD display screen.1.44 Inch LCD Display: 2024 Upgraded KM18 Bluetooth Adapter Aux Input&Output has a 1.44 inch screen for better displaying information like phone calls, FM channels, music, car battery voltage, etc. The ideal screen size to assist you in driving safe without disturbance.Hands-free Calls: All in one button for hands-free calls: answer,reject,hand up,recall make you seamlessly switch between incoming calls and music. Enjoy complete voice-control and safer driving with this Bluetooth transmitter.