Mouse C-TECH WM-07 Black:Simple black mouse is accurate and comfortable to hold. For precision cursor movement stands optical sensor is resistant to dirt.The classic C-TECH is mouse is characterized by simple design, reliability and quality performance. Wired Mouse is equipped with an optical sensor, excellent scanning quality and also precision cursor movement. The sensor prevents from dirt settling and works on any surface, so it is not necessary to use a mouse pad. It perfectly fits into your hand. It is compatible with Windows 7th.