Adesso WKB-3500UB Tru-Form 3500, 2.4GHz Wireless Ergonomic Trackball Keyboard

. The Adesso 2.4 GHz Wireless Ergonomic Trackball Keyboard offers you an advanced input device with ergonomic design, multifunctional features and a wireless range of up to 30 feet. 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 trackball which can take the place of your mouse, making it easier to control the movement of the cursor in your personal computer.
Specifications:
Key Layout: 105-Key US Layout
Key Type: Membrane
Connection: 2.4GHz Radio Frequency Wireless Technology
Working Range: 30 ft (10m)
Battery: (2) AAA
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)
Dimensions: 20.5 x 9.3 x 1.5? (521 x 235 x 38 mm)
Weight: 2.0 lbs. (844 g)
Requirements:
Operating System:Windows 2000 / XP / Vista / 7 / 8 / 10
Connectivity Interface: USB port for wireless receiver
. 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