Surround sound music freeway. Enjoy clear hands-free calls. Make and answer calls using just your voice. Tells you how to pair with your phone, who is calling and your battery status. Turns itself on and off automatically with help of in-built motion sensor. Always clear in-car calls and music. Plays music through your in-car audio system with help of the FM transmitter. Streams music, podcasts and GPS instructions directly to FREEWAY. Pair it with two mobile devices at the same time. Talk for up to 14 hours and get up to 40 days standby time.