Photo 1 of Adesso WKB-3100UB Wireless Mini Trackball Keyboard - Compact 87-Key Layout, Built-in 800 DPI Optical Trackball, 24GHz RF Wireless Technology, USB Interface, 30-Foot Range

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Photo 1 of Adesso WKB-3100UB Wireless Mini Trackball Keyboard - Compact 87-Key Layout, Built-in 800 DPI Optical Trackball, 24GHz RF Wireless Technology, USB Interface, 30-Foot RangePhoto 2 of Adesso WKB-3100UB Wireless Mini Trackball Keyboard - Compact 87-Key Layout, Built-in 800 DPI Optical Trackball, 24GHz RF Wireless Technology, USB Interface, 30-Foot Range