3-button USB optical mouse is designed for office working. Hyper-fast scroll for easy navigation. Its 1.1M cord provides considerable reach and gives you free move. Easy to set up. Play and plug.<br/>Features:<br/>Professional Sensor<br/>It will follow your step whether you are in precise movement or a wide range of movement. You can enjoy virtually free movement with drifting control.<br/>Quick-Response Button<br/>The Long-life button support for quick click and response command with high speed. Stay in motion status in gaming.<br/>Ergonomic Design<br/>The left and right sides are symmetrical. The design is suitable for user with either hand. Compatibility is more wide.<br/>Long Life Span<br/>Over 5,000,000 times keystrokes. <br/>1600 DPI <br/>The high definition enables precise optical tracking and smooth working experience.<br/>Specification:<br/>Max DPI: 1600<br/>Interface: USB<br/>Button number: 3<br/>Cable Length: 110cm<br/>Material: ABS<br/>Item size: 11.8 * 6.5 * 3cm / 4.65 * 2.56 * 1.18in(L * W * H)<br/>Item weight: Approx. 63g / 2.2oz<br/>Package list:<br/>1 * USB Wired Mouse<br/>Note: The package without user manual.