This is 10 pens, 10 headsets and 10 USB cables all in a smart attache case. This brief case is designed for easy storage and safety when transporting around the school premises.
The case only has storage for 7 sets of USB cable, the USB hub is sold separately and is available here with a UK plug or here with a US plug. Other country plugs are available, please search for "D-Link DUB-H7".
For a full description of the individual pen, see here.