Description:Ergonomic 24G Wireless Vertical Mouse Optical Mice 10m Range for Laptop PC Notebook ComputerProduct Specification:Type: Wireless Vertical MouseColor: BlackMaterial: PlasticWireless frequency: 24GHzRange: 0-10mButtons: 6Adjustable DPI: 800-1200-1600 DPIConnectivity: WirelessPower supply: 2 x AAA batteries (not included)24GHz Ergonomic Vertical Mouse with 6 ButtonsErgonomic vertical design: Can be pressed against your hand, smooth touch can bring you a comfortable grip3 Levels of DPI Resolution: 800/1200/1600, for Precise trackingOptical SensorEasy to use: 24GHz digital wireless transmission, operation distance is up to 10 metersAdded Forward/Backward buttons provide convenience when webpage browsingWireless Connection included USB ReceiverPackage Includes:1 x Wireless Mouse1 x USB Receiver