The Supertooth II handsfree speakerphone provides the user with exceptional sound quality via totally wireless Bluetooth technology. Mounted on a magnetic clip attached to the vehicle sun visor, the Supertooth II is the ideal Bluetooth handsfree solution requiring zero installation costs, as well as the ability to change vehicles quickly and easily. With an in built rechargeable lithium ion battery offering an amazing 20 hours talk time and 800 hours standby time, the Supertooth II allows you to hit the road and communicate on the move in a seamless and technologically advanced manner.