[TRANSFORM YOUR CAR MUSIC SYSTEM] : Auto 17 Smart Audio Connector is a powerful device that lets you stream music and calls directly from your Bluetooth device or USB Disk to your Car FM stereo system. [ENJOY HANDS-FREE CALLING] : With Auto 17, you never need to take your hands off the steering wheel. It has an Inbuilt Mic with unmatched Echo Cancellation & Noise Suppression using Latest CVC Technology, allowing you to attend Calls on your Car Music System.