Compatibility: IBM AT,Windows98/2000/XP/ Vista/Win 7Communication: USB or USB-PS/2 adapterDimension(mm): 350(L)*138(W)*12(H)Keys High : 5.5mm  Keyboard N.W.: 250gLayout: 85 keys

Inner Packing: 1pc/gift boxOuter Packing: 20pcs/CTNCTN size: 38 x 32 x 42 (cm)N.W.:5.5KGS     G.W.:8.3KGS

Mini 85keys waterproof cold light foldable/portable silicon keyboard for PC/Desktop