Charger / power adapter for 4 x USB. The device has 4 lockable USB ports, which helps prevent contamination of the sockets, for example. Course details when the device is not in use. Technical Specification: - lockable USB ports - input: AC 230V 60Hz - output: DC 5.2V 4A - 4 USB ports - length. supply: 1.4m - dimensions: 7.5x7x2.8cm Number of pcs. in carton: 100