1.Mouse size: 91 x 55 x 34mm 2.Resolution: 800DPI 3. 5 buttons 4. 1 channel 256 ID 5.Working distance: 1.5m 6.Mini USB receiver 7. 2xAAA batteries 8.Freely zooming in/out functions 9.Fit for your left/right hand,or long-time working 10.Be able to work on any surface including glass 11.Smooth design for comfortable touch 12.With fashionable Titanium slace on top and Silicon rubber pads both sides. 13.Up to 6.4 million pixels/second 14.Running 8 times faster than normal mouse. 15.Buttons life: over 3,000,000 times patibility: Win95/98/2000/ME/XP