... /2000/XP/ VistaCommunication: USB or USB-PS/2 adapterDimension(mm):380(L)*130(W)*10(H) ... -grade silicone materials, non-toxic, tasteless and harmless. 2, all-sealed design, waterproof, dustproof, anti-oil, ... 10,000,000, and has USB and PS / 2 interface converter. 9, adapt to different temperature between - ... workers, or the work environment has much dust. 2, laptop users - can use soft silicone keyboard ...