Now you can have Adesso ergonomic vertical mouse design in your left hand. This design provides better support for your forearm, and minimises wrist pain that can result from twisting. Adesso vertical ergonomic model helps you get a more natural grip, better support and a natural wrist position. With Adesso slim design and extra support, the Adesso Wireless Vertical Ergonomic iMouseE90 for left-handed users is perfect for hours of use. This mouse works at any angle and has a range of up to 10m with no cable clutter. The on/off switch helps save battery power, and the low battery indicator lets you know when it's time to change the batteries. Achieve greater precision and better accuracy with your choice of 3 DPI levels. Switch effortlessly between three different DPI levels of 800, 1200 and 1600 with the easy-access DPI button that lets you quickly switch between the different computer tasks you do throughout the day. The optical sensor technology improves precision and allows even you to work on most glass, wood, marble and leather surfaces without the need for a mouse pad.