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* Optical positioning, accurate and reliable, smooth glide on variety of surfaces, including wood, plastic and metal, and even on your clothes.
* Highly sensitive 800DPI design, excellent linearity.
* Overall with hand curve, the operator feel comfortable and relaxed. Whether you are left or right hand it can both make the perfect combination.
* No need move the mouse,you can directly move up and down the screen via press the scroll wheel
* Comfortable key touch, not tired used for long time