Vakoss TM-658 mouse is a truly "plug and play" device. To start operating, connect the receiver to the computer USB port. You do not need to pair the mouse or download any software to use the mouse. The mouse shape ensures support for your hands during many-hour comfortable use. The shape matching both hands and the ability to change the right and left button make the M171 mouse perfectly matched to your right or left hand. The special button makes it easy to select the sensitivity level of 1,000 or 1,600 dpi, while the quiet click design means the mouse can be used in a quiet environment. The mouse has an additional advanced energy management mode. If you do not use the mouse for a longer time, it hibernates. It is reactivated by pressing any button. Vakoss TM-658 optical mouse will be the best companion, meeting your computer needs.