Ugreen Wireless Ergonomic Optical Mouse - Black Ugreen Wireless Ergonomic Optical Mouse - Black provides comfortable, precise and stable work without cables. With 2.4G technology, it offers smooth operation at a range of up to 10 m, and three DPI levels allow you to adjust the sensitivity to the task at hand. The ergonomic shape reduces hand fatigue during extended work, and the 5 buttons make it easy to navigate. The mouse works in Plug & Play mode, and the energy-efficient design provides up to 12 months of operation on two AAA batteries. A USB receiver is included that can be conveniently stored inside the mouse. ~ Specification: Brand: Ugreen Model: Ugreen 45012 Connectivity: 2.4G wireless Sensor Technology: Optical DPI Levels: 800, 1200, 1600 Number of Buttons: 5 Usage Orientation: Ergonomic for the Right Hand Power Supply: 2 x AAA (Not Included) Battery Life: Up to 12 Months Package Contents: Ugreen Mouse, 2.4G USB Receiver, Manual Compatibility: Windows 7/8.1/10/11, macOS 10.15+, Linux, Chrome OS, Android 5.0+ Color: Black ~ Key Benefits of Ugreen Wireless Mouse: Stable 2.4G Connectivity: Provides smooth operation without lag within a range of up to 10m. Three DPI levels: 800, 1200 and 1600 DPI allow you to adjust the sensitivity to your work style. Ergonomic profile: reduces hand and wrist tension during prolonged use. Long battery life: The energy-efficient system allows up to 12 months of operation. Five functional buttons: Facilitate navigation in the browser and operating system. ~ Stable and reliable 2.4G connectivity 2.4G wireless technology ensures smooth operation of the mouse even at a distance of up to 10m, eliminating interference and lag during operation. Adjustable DPI levels for more control Three sensitivity settings of 800, 1200 and 1600 DPI allow you to quickly switch the accuracy of cursor movement, adapting it to office work or quick navigation. Ergonomic shape to reduce hand fatigue The hand-contoured design supports the natural position of the wrist for hours of comfort. Energy-efficient operation for up to 12 months Automatic sleep mode and low power consumption extend battery life up to one year of daily use. Five buttons for convenient navigation Additional forward and backward buttons speed up browser and folder operation, increasing productivity.