Geek Squad Certified Open Box. (See more details below). Adesso Tru-Form Media 3150 - Wireless Ergo Mini Trackball Keyboard offers users a keyboard with an ergonomic design, built-in trackball for easy and comfortable browsing, multifuctional features and a wireless range of up to 30 feet. The WKB-3150UB is designed with the split key zones and sloped shape to make typing feel natural and effortless. | Open Box - Adesso Tru-Form Media 3150 Wireless Ergonomic Keyboard with Trackball - (WKB-3150UB)