A full powered USB 2.0 Hub with 7 high speed ports, supplied with UK power supply. If you would like to purchase your own e.g. with a European or international power supply then please note the specifications:Each port must be able to deliver 0.5 A (500 mA) . The power is shown on the external power supply that plugs into the hub. 5 port hubs should show approximately 2.5 A (5 x 0.5A). 7port hubs - 3.5 A (7 x 0.5 A).Some hubs do not have a power supply at all, these are not suitable for charging. Any type of hub can be used for communicating. Lower power hubs will charge but at a reduced rate.