The Trust GXT 105 IZZA Gaming Mouse is made for comfort and maximum fit, it doesn't matter if you are right or left handed; you can always use the GXT 105. It is perfect for when you need to share your gaming mouse with your family or friends who use a different dominant hand to control the mouse. The GXT-105 comes with 6 responsive buttons for ultimate productivity and efficiency. No software is required to setup the buttons, so you can directly use them for your gaming activities. Directly switch the speed selection from 800 DPI up to 2400 DPI. Use a lower DPI setting for more precise sniper shots and use a high DPI for fast reflexes and to quickly explore your surrounding.