Ergonomically designed mouse vertical computer mouse wireless 2.4G

Ergonomically designed mouse vertical computer mouse wireless 2.4G EV wireless vertical mouse: Connection type: 2.4GHz Receiver: mini USB receiver Movement speed: 6inches/s Weight:168g(without package) Style:ergonomic vertical mouse Hand Orientation: right hand Receiver distance:10m Have high interference Description: Part I.O:product overall performance Interface:USB2.0 Optical lens 1:1 DPI switch instructions Working voltage: DC4.5V to 5.5V The mouse left, middle and right