Trackball Kensington Optical Expert Mouse Black USB+PS/2
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| Weight: | 350 g |
| Design: | For left hand, for right hand |
| Description: | Connection interface: USB Type A, design: left-handed, right-handed, operating principle: optical LED, number of keys: 4 |
| Additional Information: | Removable wrist rest for added comfort |
| Type: | Trackball |
| Power supply: | 1xAA |
| Connection type: | Wired |
| Principle of operation: | Optical LED |
| Connection interface: | USB Type A |
| Number of keys: | 4 |
| Built-in Options: | Built-in trackball, scroll wheel |
| Number of programmable keys: | 4 |