HP X4000b Bluetooth Mouse - This Bluetooth laser mouse from HP lets you use a wireless mouse without taking up a USB port. If you want to use a mouse with an Android tablet, this Bluetooth tablet mouse easily connects to your Android device for precision clicking.HP X4000b Bluetooth Mouse Stunning style. Winning wireless. Mobility at its best. The high-end design of the HP Bluetooth MouseX4000b mimics the motion of a fast sports car. But the fun doesn't stop there. This comfortable mouse also features Bluetooth connectivity, 9-month battery life and a highly-precise laser sensor. Masterful, modern design: Sculpted shape. Striking lines. Smooth edges. Sweeping contours. Exquisite comfort. Life-enhancing productivity: Bluetooth connectivity keeps you connected on the go and a highly-accurate laser sensor works on most surfaces Blissful Bluetooth connection: Replaces USB connection to save a valuable port. That's great news for tablet and Ultrabook users starved for USB ports.