The Adesso Ergonomic Touchpad Keyboard offers you an advanced input device with ergonomic design, and multifunctional features. The design of this keyboard with splitted key zones and gently sloped encourages natural position of hands, wrists, and forearm in maximum comfort for long use. The keyboard also features an integrated touchpad which can take the place of your mouse, making it easier to control the movement of the cursor on your personal computer. Specifications: Key Layout: 105-Key US Layout Key Type: Membrane Connection: USB Indicators: Num Lock, Caps Lock & Scroll Lock Windows Hotkeys: 13 (Home, Back, Forward, Refresh, Search, Favorites, Sleep, Wake Up, Power Off, Calculator, My Computer, Music & Email ) Multimedia Hotkeys: 7 (Play/Pause, Previous Track, Next Track, Volume Up, Volume Down, & Mute) Dimensions: 20.5 x 9.3 x 1.5? (521 x 235 x 38 mm) Weight: 1.87 lbs. (844 g) Requirements: Operating System: Windows2000 / XP / Vista / 7 / 8 / 10 Connectivity Interface: USB port