Gigabyte Aivia Osmium CHERRY Brown Mechanical Gaming Keyboard with White Back-Lit(GK-OSMIUM BRN) CHERRY MX Mechanical Key-Switch for optimized 45g actuation force Supports USB 3.0 Superspeed and offers USB 3.0 keyboard extention port Absolute Anti-Ghosting Multi-Key Press capability supports up to 64 simultaneous key presses via USB connection Built-in GHOST Macro engine with 32KB onboard memory 18K Gold-plated output connectors Dynamic Volume and Backlit illumination control Full-sized removable wrist rest