Genius SlimStar 8000 2.4GHz Wireless Keyboard Combo 2.4GHz anti-interference desktop combo Ultra-slim keyboard design, innovative keycaps for great tactile feedback Two hot keys for volume control 1200 dpi optical mouse sensor for smooth 2.4GHz anti-interference desktop combo Ultra-slim keyboard design, innovative keycaps for great tactile feedback Two hot keys for volume control 1200 dpi optical mouse sensor for smooth movement control