Graflsoa 3-Button Optical Mouse - USB

3-button USB optical mouse designed for office work. Ultra-fast scrolling for easy navigation. The 1.1m cord provides ample reach and gives you freedom of movement. Easy to install. Plug and Play. Professional Sensor It will follow your stride whether you are in precise motion or a wide range of motion. You can enjoy free movement with drift control. Quick Response Button Support long-life button for click command and fast response at high speed. Maintain the state of motion while playing. Ergonomic Design Left and right sides are symmetrical. Ambidextrous design The compatibility is more broad. Long Life Over 5,000,000 times of keystrokes. 1600 DPI High resolution enables precise and smooth visual working experience. Specification: Max DPI:1600 Interface:USB Button Number:3 Cable Length:110cm Material:ABS Product size:11.8*6.5*3cm 11.8*6.5*3.5cm(L x W x H) Item weight: approx 63g 2.2oz Package List: 1 * USB Mouse and Hand Note: the package is without user manual.