Adesso - Tru-Form WKB-3500UB Ergonomic Wireless Membrane Keyboard - Black

▪ Wireless Technology - Works up to 30 feet of wireless distance. Operates on 12 different channels, each with 65,536 different IDs.

▪ Built-in Trackball with Optical Sensor - Tracks accurately and precisely with less muscle movement for maximum comfort.

▪ Ergonomic Contour Design - Minimizes forearm muscles from twisting and pains from Carpal Tunnel Syndrome

▪ Integrated Palm Rest - Keeps your wrists in the most comfortable position.

▪ Split Key Design - Encourages natural position of hands, wrists and forearms for maximum comfort.

▪ Full Size Desktop - Provides a better typingh experience.

▪ Membrane Switch - 5 Million keystroke lifecycle for a quiet and fast typing experience.

▪ Auto Sleep and Power On/Off Switch - Maximizes your battery life up to 6 months.

▪ Wireless Receiver - Small and convenient to plug into to your laptop or tablet.

▪ Membrane Key Layout: 105-Key US Layout

▪ Connection: 2.4GHz Radio Frequency Wireless Technology with 30ft working range

▪ Battery: (2) AAA, Included

▪ Trackball: Built-in

▪ Indicators: Num Lock, Caps Lock & Low Battery

▪ 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 & Eject)