Advanced mouse for comfortable working. Using the right mouse is important to perform faster and hassle-free screen operations. Designed for such high performance, the Quantum QHM222 USB mouse makes operating your desktop and notebook smooth and seamless. This mouse uses high technology interface that employs USB optical sensor technology to provide better precision. This USB/PS2 interface helps you work efficiently on your desktop as well as laptop. The 1000 DPI optical sensors of this wired USB mouse provide accurate and swift mouse movements, so that you do not experience any performance lags. USB Mouse for desktop and laptop users. Based on its dual purpose design, the Quantum black USB mouse has an ergonomic shape and is large enough for comfortable desktop use and small enough for the mobile users. This wired USB mouse for desktops gives you faster and comfortable working experience, enhancing your productivity. The mouse is also designed to prevent palm strain. Both left hand and right hand users can handle this mouse comfortably. It works on all surfaces, even without a mouse pad. So work better and faster by connecting this USB mouse to your system. Compatible with: Desktops, laptops. Resolution: 400/800/1000 DPI. Interface: USB/P2. Prevents palm strain. Suitable for both left and right hand users. Works on all surfaces