1.Adjustable laser sensor

2.Comfortable and easy to use

3.Improved thumb rest

4.Extended lip prevents rubbing

5.Pointer speed indicators

6.Now two thumb buttons

7.Powerful and intuitive driver

8.Lighted Evoluent logo

Compatibility :
Windows/ Mac / Linux /Unix

Item Dimension (L"xW"xH"):
5.3 x 3.5 x 3.5

Weight:
0.44 lb

Warranty
2 Years