USA 
Trackman Marble
Product Description
Left handed? Right handed? When you're working on your computer day and night and you want more flexibility, the Trackman Marble from Logitech will help increase your comfort level. It features optical sensor technology, a sensor resolution of 300 dpi, four buttons, is compatible with USB and PS/2 interfaces, and is Windows and Mac compatible.
| Cable Length | 68.11" / 173.00 cm |
| Color | Dark Silver |
| Sensor Technology | Optical |
| Sensor Resolution | 300 dpi |
| Number of Buttons | 4 |
| Interface | USB / PS/2 |
| System Requirements | Windows 8, 7, or Vista Mac OS X 10.5 or later USB port |
| Dimensions | 3.41 x 6.51 x 1.67" / 86.61 x 165.35 x 42.42 mm |
| Weight | 6.98 oz / 197.88 g |