This is a wireless mouse, the signal can be reached for 10 meters, no need to install any drive, put it to a USB port, then you can easily use. It is more convenient than the the wire mouse. Because it throws off the curb of the range. As we known, the traditional optical mousse just has the 800DPI and the wireless mousse is 800DPI. What's more, they are not convenient and slow to use. Meanwhile, if that the computer does not have the mouse is a revolution, the scroll wheel of the mouse is a progress of human. So the optical mouse developed from 800DPI to 2400DPI is a great success. The 2.4G mouse will give you a more comfortable, convenient and exact effect. Would you like skiing? When you use it, you will feel the high speed. Buy it and enjoy it.