It's the 500 cables. An exact number of pieces cannot be named.   All cables were used by students to load iPads. They were collected from schools before the summer holidays. An error message was not reported, a new function test of the cables did not take place.   They have USB-A and Lightning connectors. These are different versions with different lengths.   ==References====External links== OG to be picked up. Corresponding means of transport, as well as "manpower" must be brought.