Stalk us
| Brand | Circle |
| Tracking | Optical |
| Maximum DPI | 1000 DPI |
| Number of Buttons | Three |
| Scroll Wheel Type | Regular |
| Connectivity | USB |
| Cable Type | Regular |
| Interface | Gold plated USB |
| Resolution | 1000 DPI |
| Working Voltage | 5V |
| Working Current | 100mA |
| Scroll Wheel Lifetime | 3 million times |
| Compatible with | Microsoft 98/2000/ ME/XP/Vista/Win7/8, MAC |
| Warranty | 3 Years |
| Country of Origin | China |