The Wireless Valu Mouse 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. - Product Description: Kensington Mouse for Life - mouse - 2. 4 GHz - black - Device Type: Mouse - Connectivity Technology: Wireless - 2. 4 GHz - Colour: Black - Orientation: Right and left-handed - Dimensions (Wx Dx H): 6 cm x 10. 8 cm x 3. 8 cm - Localisation: Europe - Wireless Receiver: USB wireless receiver - Movement Detection Technology: Optical - Buttons Qty: 3 - Movement Resolution: 1000 dpi - Features: Scrolling wheel, battery indicator, on/ off power switch, Nano wireless receiver, ambidextrous design, wireless receiver slot - OS Required: Apple Mac OS X, Microsoft Windows 7 / 8 / 8. 1 / 10 - Manufacturer Warranty: 5 years warranty