... 40x 34 (cm)N.W.:8KGS G.W.:9.6KGSCompatibility: IBM AT,Windows98/2000/XP/ VistaCommunication: USB or USB-PS/2 ... , hit without sound, comfortable soft touch feeling. 5, special design and production process, so that the keyboard is lean, and use of ... Note: may not be touch with high-temperature materials such as cigarettes and so on. 106keys computer keyboard,silicone waterproof keyboards, flexible ...