Although it’s great to see evidence of a potential successor to the best true wireless earbuds available today, the images themselves suggest any changes could be minimal. The Walkman Blog notes that the earbuds seem to be more compact overall, with a curved underside that could make for a better fit in the ear. The position of the charging LED also appears to have shifted to the front of the case. Otherwise, the design of both earbuds and charging case is very similar to the previous XM4…