Feature 1Using 2.4GHz wireless transmission technology, the transmission distance can reach up to 10 meters/32.8ft. 2System requirements: support for Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10 / Vista, support for OS or the latest. 3Universal ergonomic design, fluent feel is more comfortable for you, reducing hand fatigue. 41600DPI high-definition optical sensor, the mouse has quick response and higher sensitivity. 5Three buttons mouse after 5 million press test, long service life and more practical.SpecificationCondition: 100% Brand NewItem Type: Wireless MouseMaterial: ABSColor: BlackBattery Type: 1 x AA Battery (Included)Number of Keys: 3 KeysOptical Resolution: 1600dpiWork: OptoelectronicsButton Click Life: 5 Million TimesWireless Technology: 2.4GWireless Distance: Approx. 10meters / 32.8ftRated Voltage / Current: 1.5V / 20mA .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xWireless Mouse1 x Battery1 x Bluetooth Receiver