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, multifunctional features and an excellent wireless range. The WKB-3150UB was designed with the split key zones and sloped shape to make typing feel natural and effortless due to the natural position of hands, wrists, and forearm in maximum comfort and long use. Plus, the built-in trackball not only enhances your web browsing experience and comes with precise navigation, but it can also be removed for occasional maintenance and cleaning. The trackball is also just a fingertip away, so no need to reach for your mouse or even move your hand from its natural positioning. The built-in multimedia hotkeys bring quick, easy access to your multimedia tools. The mini-size of the keyboard makes adds portability and is clutter-free, while adding ergonomic comfort.