Forget about changing batteries – this mouse doesn’t need them! Working with this wireless mouse is much more comfortable and easy, because instead of changing batteries you can re-charge it via USB-port, or from the power socket. One charge will be enough for two weeks of work. CNS-CMSW7 mouse is equipped with sensitivity sensor, switchable between 800, 1200 and 1600 DPI. This feature makes working on the big screen or on two monitors more comfortable. The mouse is designed for perfect grip in your right hand.