perixx PERIMICE-517 Wired Ergonomic Trackball Mouse with 7 Buttons and 2 DPI Level, 11567

Wired 34mm Trackball Mouse with 400/1000dpi

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7-Button Ergo mouse: wired ergonomic trackball mouse with quiet clicks (left/ right// backward/ forward/DPI switches) and they work with the trackball simultaneously. Easy to switch the cursor speed with DPI switch buttons (resolution 400/1000)
Natural Ergo Design: The ergonomic trackball mouse is for right-handed users; recommended to repetitive strain injuries RSI users and the users work particularly long periods on the computer. For example, office workers, gamers and internet surfers. The mouse helps to prevent fatigue in arms and tennis elbow
Easy Navigation and Space-Saving: The surface on the high-density trackball is coated with special treated glitter effect providing users exceptional tracking and precision. Everything on the screen is within the reach of a small thumb movement without having to move the arm. And it saves your desktop space
Trouble-Free to Clean: It is easy to clean if dust on the trackball effects the cursor movement. The ball can be easily removed from the mouse buttonhole by fingers or a blunt side of a pen. Either use a soft brush or a soft, lint-free cloth and gently wipe down dust from the trackball
System requirements: Windows 7, 8, 10; No drivers required, ready to use from the box; wired USB 2.0 interface; package includes: 1x PERIMICE-517; Limited warranty