Ergonomic Vertical Mouse USB Original Delux M618 Optical Right Hand Upright Healthy Mice for PC Desktop Laptop Fashion This Link is a set , incloud Black Wired veritical mouse + silica gel mouse case
1.When we use ordinary mouse for long time , our wrist will be very tired and pain , if we use vertical mouse instead , we can let our wrist take a rest , it will be better for our health. so when you surf the Internet , use photoshop and play game , the vertical mouse is the best choice!
2.New hand type operation, release your wrist, gallop fly.
3.Precision reasonable function layout, it is more relaxing and simple use.
4.Scientific ergonomic design, stretch the human body meridian at the greatest degree;
5.Three files adjustable laser engine, adapted to different usage situation, help you to position accuratly.
6.Plug and Play , drive will be installed automatic.
7.DPI : 800-1200-1600.
8.The number of buttons: 5.