Description Meetion K9320 Backlit Gaming Keyboard Features 19 keys anti-ghosting, multiple keys without conflict. Rainbow backlit with adjustable brightness. Waterproof design, to protecting your keyboard against accidentally spills (coffee/tea/milk), dust, pet’s pees, food crumbs or other contaminants. 12 Fn shortcut buttons for multimedia, internet, etc. Compatible with Windows XP/Vista/7/8/10, Mac OS. Display Specifications Model MT-K9320 Keyboard Layout 104/105 Anti-Ghosting 19 keys Keyboard Layout Eng/Esn/Ara/Rus OS Compatibility Windows XP / Vista / 7 / 8 / 10 MAC OS X Interface USB Wire Length 1.5±0.1mm Weight 640±5g Dimensions 465*171*35mm