| Manufacturer | A4Tech |
| Mnfr Part # | - |
| Model | A4 OP-620D |
| Sensors | Optical |
| Type | USB wired |
| Movement Resolution | 800 dpi |
| Wireless | - |
| Buttons | 2X Click button function |
| Battery | - |
| System requirements | Windows Me, 2000, XP, 2003, X64 |
| Other | - |
| Color | Black |
| Weight | - |
| Warranty | 12 Months |
Производител:
A4TECH