The wireless BakkerElkhuizen DXT 3 Precision Vertical Mouse has been designed to the highest possible precision standards. The compact vertical design allows a comfortable and natural resting position for your hand, minimising pain in the hand and wrist. Other highlights: - Familiar pen grip - Quick habituation time - Customisable mouse pointer speeds - Ambidextrous design, can be adjusted with a click of the mouse Compatible operating systems: Android, iOS, Linux, Windows, Mac OS, Unix, ChromeOS BakkerElkhuizen guarantees the longevity of its products. Register your product before the basic warranty expires on the manufacturer's website using the registration code or the EAN number on your product for an extended warranty of up to 5 years on electronics or even longer warranties on non-electronic products! * Extended warranties apply to all non-electronic products with the exception of all gas spring parts, which are covered by a 5-year manufacturer warranty.