The Wireless ValuMouse is ideal when you need a comfortable mouse that’s also reduces cord clutter. The three-button/scroll wheel setup offers silent clicking when you need to get work done and don’t want to disturb anyone. A high-definition optical sensor provides reliable and responsive control when you’re navigating and the comfortable, contoured shaping feels great for either right-handed or left-handed users. It offers Plug & Play installation with a 2.4 GHz USB nano receiver and is built to last with a 5-year limited warranty. Silent clicking for quiet environments 2.4GHz wireless freedom with storable nano receiver Ambidextrous, contoured shape for either right-handed or left-handed users High-definition optical sensor (1000 DPI) for responsive control Three Button/Scroll Wheel setup Plug & Play installation with nano USB receiver Low battery indicator and on/off switch Built to last with a 5-year limited warranty Compatible with Windows® 8.1, 8, 7 and Mac OS X