The Adesso AKB-133CB Desktop USB Multimedia Keyboard and mouse combo is a great choice for users who want a stylish designed keyboard along with a mouse for home and office use. The keyboard's Hotkeys provide quick access to your media player controls and other computer applications. The 3 button mouse is designed with an enhanced optical sensor of 1000 DPI which provides better speed and accuracy.Keyboard Specification:Keyboard Layout: 103-Key US layoutKey Type: Membrane SwitchesConnection: USBIndicator: Caps Lock, Number Lock, Scroll LockHotkeys: 8 (Play / Pause, Previous Track, Next Track, Volume Up, Volume Down, Mute, Email, Home)Life Cycle: 5 Million KeystrokesDimensions: 17.7 x 6.6 x 0.8″ (444 x 167 x 23 mm)Weight: 1.13 lbs (510g)Mouse Specification:Connection: USBTracking Method: Optical SensorResolution: 1000 DPIDimensions: 4.5 x 2.5″ x 1.4″ (115 x 62 x 36mm)Weight: 3.3 oz. (95g)Requirements:Operating System:Windows 2000 / XP / Vista / 7 / 8 / 10Connectivity Interface: USB