Wireless Computer Mouse Desktop Notebook Business Office Portable Optical Mouse (battery Version) Features: The frosting and skin-friendly process design is suitable for holding in hand and also for leisurely appreciation. It is good-looking and easy to use, comfortable and unstoppable. It is ergonomically designed and can be used by men and women who fit the hand curve. Powerful energy storage capability, energy-saving and low-power chip, supporting the use while charging, and always giving sufficient fighting power. Comfortable enjoyment of mute button: whether in the library or working late at night, it can take care of the feelings of others, create a quiet and comfortable environment, and do not disturb and families. Skin friendly : ABS skin friendly , sweat and fingerprint , comfortable and non-stop. The anti-skid grille roller is comfortable and wear-resistant, with obvious scale division, smooth movement and more flexible operation. Wireless optical engine: powerful multi-material boundary crossing advantage, easy to adapt to multi-material surface, accurate positioning, not easy to drop frames. Product Description: Parameters: Key: 3 keys Boundary dimension: 95x55x28mm Mous weight: about 55g Working distance: 10m contain: 1x mouse