The Scosche BTFREQ Power Delivery universal Bluetooth 5.0 car kit adapter is perfect for making hands-free calls and wirelessly streaming music from your Bluetooth compatible device to your vehicles radio with a crystal-clear crisp sound. Enjoy crystal clear calls inside noisy vehicles and the multi-function button (MFB) allows you to answer incoming calls with a simple push of a button. It also controls BTFREQ’s volume up/down, play/pause, answer/hang up the phone or voice controls like Siri and Google Voice. Power Delivery 3.0 technology charges your compatible devices up to 3 times faster versus a conventional USB charger which delivers a blazing fast charge by detecting and providing your device with the fastest most powerful charging speed. The convenient design of the LCD display provides an easy to read interface. It’s easy to sync; just find an unused FM frequency on your vehicles stereo and match the same frequency on the FM Transmitter. Perfect for use in your vehicle while making hands-free calls, listening to music every day or during a long road trip! The BTFREQ is backed by Scosche's Lifetime Tech Support and 3-year warranty.