81 Keys Gaming Keyboard KL-81B Triple mode Color Gasket RGB Mechanical Gaming Keyboard Keyboard size：142*42*330mm±0.5mm Keyboard weight：736g±5% Connection method：Wired +2.4Ghz+BT Switch：Drinkey switch swappable Backlight：RGB Lighting, 18 modes Battery：4000mAh Cable：1.6m Pu Type-C cable Operating system：compatible with Windows xP/7/8/10,Linux, and MAC/Os, etc
