The Sony Ericsson Bluetooth Watch MBW-100 is a very practical, intelligent device that hits the underbelly of anyone who has ever imagined being a super sleuth or a suave secret agent like James Bond. The MBW-100 is a wristwatch with Bluetooth technology. When used with its wireless Bluetooth headset, the sophisticated wristwatch manages calls and music as simply as checking the time. This is a must-have for all lovers of bleeding-edge communications technology.