Fellowes Penguin Wireless Ergonomic Mouse Medium

* The Fellowes Penguin wireless ergonomic mouse. * Suitable for both left- and right-handed users. * The vertical model promotes a more ergonomic position while keeping the mouse to avoid wrist strain. * BioCote® antimicrobial protection helps keep your mouse clean and healthy over a long period. * Wireless mouse to avoid clutter. * Symmetrical base easy to handle with laser and precision scroll wheel for quickly scrolling through pages on the screen. * Central click allowing easy transition between right- and left-handed users. * This mouse has a rechargeable battery via a USB cable. * Light indicator signals when the battery is low. * Possible DPI settings: 400, 600, 800, or 1200 – The higher the setting, the faster the mouse reacts. * Compatible with Linux, Windows 2000, XP, Vista, 7, 8, 10 (various versions), MAC OS X 10.6 or higher. * This Medium model measures: 8.57x15.72x10.95mm. * To choose the right size, measure the distance from the base of your palm to the tip of your middle finger, for small sizes from 0 to 16cm, medium from 16 to 18cm, and large over 18cm.