enter E-78CU optical mouse

Features :-

-surf the internet freely, no need to drug the scrolling bar.
– The wheel my function as both strolling wheel and standard button.
-press the scrolling wheel, and view internet freely.
-800 DPI optical Technology, perfectectly.
-precise optical motion without any surface confinement (expert glass).
-preceive optical sensor.
– the 3 button fit your fingertrip perfectly.
-super functions, High efficiency.
-no mouse pad required, no need to clean the ball.