The helicopter is in itself quite well, are attractive because the duration of the flight length for short charging time. It is also positive that you can charge it via USB port. What bothers me about the helicopter that he constantly turns while flying around its own axis and is not calibrated correctly. When I push the lever slightly to the right direction it flies in the actual position, only just too cumbersome, since you do not constantly the direction lever lightly pressed leaves. Will send him back.
