Confirmed to be working and usable without any issues. The exterior has minor scratches from normal use, but there is no significant damage. Both operation and scrolling are smooth. ■ Condition Sensor, buttons, and scrolling function well. Ball rotation is also smooth. Overall, the condition is at a normal usage level. No major scratches beyond what can be seen in the photos. ■ Included Items Main unit only ■ Other No operational problems, so you can use it as is. Instant purchase OK. Will be carefully packaged and shipped. Returns are not accepted to prevent product substitution. Kensington SlimBlade Trackball Connection type... Wired