The Targus Bluetooth Comfort Laser Mouse connects via Bluetooth so no USB cable or receiver are required providing a clutter free workspace. The ergonomic design is ambidextrous and reduces palm strain while the soft, flexible side grips provide unparalleled comfort during use. The mouse comes equipped with 2 high-quality Energizer batteries and is designed to provide up to 6 months of battery life depending on usage. The battery life indicator always lets you know how much power is left, giving advanced notice when an extra set of batteries are needed. Featuring a sleek and comfortable design, the Targus Bluetooth Comfort Laser Mouse provides wireless convenience for seamless functionality in the office or on the go.