Price comparison
The best price for 3M EM550GPL right now is $143.69. PriceSpy compares deals and offers from 12 shops, online and local.
| Connection | Wireless |
|---|---|
| Features | Ergonomic design, Especially suited for RSI |
| Number of buttons | 3 |
| Operating resolution | 400 dpi |
| Type of motion sensor | Optical |