, high-quality and flexible design.Arc touch designed, optical tracking technology, works on many different surfaces and Perfect usage , office or gaming.USB 2.4 GHz wireless foldable mouse.Plug and Play, no driver required. design saves battery life: to turn on and flatten to turn off.A red light flashes to show the battery is working.Complete with receiver and 2 AAA batteries.Perfectly fit for your PC and laptop.Light weight and easy to install.Type: 2.4Ghz Wireless,Touch Wireless mouseInterface Type: USB2.0Product Specification:Switch Strength: 60+/-15GFScroll wheel Strength: 80+/-20GFButton Strength:170+/-30GF:1200Switch Life: 50 Compatible with /PC/AT//386/486/PENTIUMSystem supports: ,WIN95/98/2000//XP/NTWorking Voltage: DC5+/-5%Working Current: Less than 100MAWorking Temperature: -45 Celsius -50 CelsiusHumidity: Less than 85%RHInterface: USB2.0Number of button: 3Button Life: 5 Power: 2x AAA Battery (Not include): 1Pccolour:blackMaterial: ABSSize: 13*5.7*1.7cm/33.02 inch * 2.24 inch * 0.67 inchPackage Contents:1 X Touch MouseOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.