... Warm in winter, cool in summer, sweat-absorbent, anti-slip, natural Keyboard:•Size: 460x158x22mm•Material: bamboo and plastic•N.W.:1kg•Cable ... L*W*H)• Non-standard optical, 3 bottoms• Outer Shell: natural fresh bamboo material.• High Resolution: 1000 DPI• Button life: over ... /Vista/Win7, etc.•Different languages versions available.•Environmental friendly, natural, pure and fresh• Multi color available