Tech specs
| Required Input Device | USB port |
|---|---|
| Required Operating System | Windows 7, Vista, XP (excluding Windows XP 64-bit) |
| Other System Requirements | Two AA alkaline batteries required (included); Internet access required for certain features. Local and/or long-distance telephone toll charges may apply. To add 4-way scrolling, download Microsoft IntelliPoint at https://www.microsoft.com/hardware/en-sg. |
