BrandLenovoSpecial FeatureWireless, Ergonomic, Optical, AmbidextrousMovement Detection TechnologyOpticalColourBlackNumber of Buttons3About this itemThe Compact Mouse that's built for You: The Lenovo 130 Wireless Compact Mouse, designed with your convenience in mind. It’s easy to get more done when you don’t have to waste time untangling messy cables or searching the office for new batteries. Its compact size makes it the perfect companion no matter what the occasion. Slide it into your pocket, backpack or laptop bag, and you’re ready to goNo more distractions: With a 2.4 GHz Nano USB receiver and up to 10 months battery life, your work will never be interrupted againAccuracy is everything: Seamlessly glide between tasks with in-built 1000 DPI optical sensor navigation. Act quickly and accurately with the intuitive scroll wheel and thoughtfully placed buttonsDesigned for you: Whether you’re left- or right-handed, work at your desk or on-the-go.This simple yet effective mouse was crafted to help you get the job doneSensor Technology: Optical Sensor, Sensor Resolution: 1000 DPI, Scroll Wheel: Yes (up/down), Right & Left: Up to 3 Million Clicks, Wireless Technology: 2.4 GHz Wireless via Nano USB, Battery Type : 1 x AA, Battery Life : Up to 10 MonthsBrand‎LenovoManufacturer‎#30 Taohua Road,futian free trade zone, ShenZhen, China, Lenovo Information Products ShenZhen) CO. Ltd, #30 Taohua Road,futian free trade zone, ShenZhen, ChinaColour‎BlackItem Height‎40 MillimetersItem Width‎7 CentimetersProduct Dimensions‎11 x 7 x 4 cm; 82 GramsAverage Battery Life (in hours)‎10 MonthsAre Batteries Included‎NoManufacturer‎#30 Taohua Road,futian free trade zone, ShenZhen, ChinaCountry of Origin‎ChinaItem Weight‎82 g