Sharainn Vertical Mouse - Wireless

Specification: Item Type: 2.4G Wireless Vertical Mouse Material: ABS Connection: Wireless 2.4G DPI: 800, 1200, 1600 Number of Mouse Buttons: 6 (Left, Right, Middle, DPI Switch, Forward and Backward for Computer Files, Web Browsing, etc.) Buttons Type: Silent Buttons Compatible Devices: PC, Laptops, for OS X, for W​ins Battery Type: 1 x AA Battery (Not Included) How to Use: Simply insert the batteries and it's ready to use. Package List: 1 x 2.4G Wireless Vertical Mouse 1 x Receiver