DEALZIA Wireless Pen Optical Mouse For Mobile Tablet Laptop Computer Screen Wireless Optical Mouse with Bluetooth  (Black)

800/1000/1200 DPI adjustable. The adjustable DPI helps in finding a proper 'speed'. The grip is very natural and you can position your arm close to the body, or even on the body for comfort. Good for using in limited space or unusual places where a normal mouse is a bit bull to use, fits comfortably in the hand, button placement for left and right mouse clicks are in good placements for easy clicks.