Sony VGPBMS33/B Bluetooth? Laser Mouse The ultra-modern design and Bluetooth technology makes this mouse highly mobile and comfortable to use. Laser technology allows users the ability to use a mouse on virtually any surface for smooth and precise navigation. Optional power save mode preserves and extends the battery life. New low friction, non-stick PTFE sole reduces strain on hand. Battery life: Approximately 4 months using 2 AA batteries.