Kensington Optical Orbit Trackball Mouse, Two-Button, Black/Silver WD10SPSX Four anti-slip rubber pads help

Four anti-slip rubber pads help prevent the laptop from sliding and avoid scratches on the bottom

power experts are predicting that increasing power demand will soon put most major population centers at risk for severe power problems

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The splitter also supports high dynamic range (HDR) imaging

Kensington Optical Orbit Trackball Mouse, Two-Button, Black/Silver WD10SPSX Four anti-slip rubber pads helpAcco Brands : Control your cursor with a simple touch of the finger. Uses less arm movement and desk space than a conventional mouse. Features Diamond Eye optical technology for precise tracking. Resistant to dust, reducing the need for regular trackball cleaning. Mouse Technology: Optical; Trackball; Connector Port: USB; Left Right Hand Use: Left; Right; Buttons: 2. : Includes MouseWorks software.