Adesso Adseeo Tru-for 3500 2.4GHz Wireless Ergonomic Trackball Keyboard for Win 8/7/Vista/XP (WKB-3500UB), Black 2170C001 Foil and braid shielding reduce

Foil and braid shielding reduce EMI/RFI interference and twisted pair construction helps reduce crosstalk for a high speed

deep tones without the need for a subwoofer

In some cases improving signal reliability can affect overall throughput

Designed for professional installers in real-world jobsite conditions

Adesso Adseeo Tru-for 3500 2.4GHz Wireless Ergonomic Trackball Keyboard for Win 8/7/Vista/XP (WKB-3500UB), Black 2170C001 Foil and braid shielding reduceThe 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