100% New and High Quality Product Specification: Type: Wireless Vertical Mouse Color: Black Material: Plastic Wireless frequency: 2.4GHz Range: 0-10m Buttons: 6 Adjustable DPI: 800-1200-1600 DPI Connectivity: Wireless Power supply: 2 x AAA batteries (not included) 2.4GHz Ergonomic Vertical Mouse with 6 Buttons Ergonomic vertical design: Can be pressed against your hand, smooth touch can bring you a comfortable grip 3 Levels of DPI Resolution: 800/1200/1600, for Precise trackingOptical Sensor Easy to use: 2.4GHz digital wireless transmission, operation distance is up to 10 meters Added Forward/Backward buttons provide convenience when webpage browsing Wireless Connection included USB Receiver Package Includes: 1 x Wireless Mouse; 1 x USB Receiver