| Interface
support |
Notebook with Bluetooth
enabled |
| System
support |
Windows® W7/Vista/ XP
Mac OS X 10.2.8 or later |
| Number
of buttons |
Four (left, right, middle
button and Flying Scroll button) |
| Resolution
(dpi) |
1600 dpi optical engine |
| Batteries |
Two AA alkaline batteries |
|