Goshyda Ergonomic Mouse - 2.4G Wireless

Spec: Item Type: Ergonomic Mouse Material: ABS Connection: 2.4G Wireless DPI: 800/1200/1600 Number of Buttons: 6 (Left Key, Right Key, Middle Key, DPI Switch Key, Forward and Back Keys for Computer Files, Web Browsing, etc.) Compatible Devices: PC, Laptop, for OS X Battery Type: 1x AA Battery (Not Included) How to Use: Ready to use after inserting the battery packing list: 1 x Mouse 1 x Receiver 1 x User Manual