Specification 

High-Cap key, let you feel more easy and comfortable
Full key cool LED backlit design, 4 brightness is adjustable
Support 19 keys without conflict
12 combination multimedia keys shortcut function
A key to lock the Windows
All "core" waterproof, triple protection design
High bouncing silicone design, up to 10 million hits

19keys without conflict 
Tab,Lift Shift,Lift Ctrl/F,Lift Alt/V,Q,W,E,A,S,D,Z,X,C,B,Space,up,down,right,left.

Keyboard paremeters

--Key layout:104keys

--Weight:1146+_20g
--Cord Length:1.8+_0.1m
--Key life:10 million

Sestem requirement
--IBM compatibility system
--Windows XP/Vista/Win10/Win7/Win8