... SystemWindows/2000/2003/XP/Vista/Win7/Linux/WinCE(5.0 6.0)/Android (2.1, 2.2, 2.3, 4.0 ... 90% RH4.Operating force(gm) 50+10gm5.Operating voltage3.0V6.Key life500 million7.Operating temperature-20°C - +55°C8.Storage temperature ... and the mobile professionals.5. 100% new and high quality.6. Applies Optical Technology.7. Receiver hidden in the button of ...