Parrot SK4000 Bluetooth Hands-Free Motorcycle Kit, now you can make and take calls, listen to FM radio or play your favorite digital music – all while riding calm and cool. Parrot SK4000 is a full-featured Bluetooth hands-free kit designed expressly for motorcycles. Completely wireless, it fits on your helmet and automatically links to a Bluetooth A2DPenabled mobile phone in your pocket or saddlebags. Its built-in, rechargeable battery provides up to ten hours of use and recharges via a mini-USB jack. A 110-240 Volt AC/DC charger is included.