Have the three most popular sockets to hand from one regular 3 pin socket. This plug through adaptor means that you can plug in one regular 3 pin appliance, one traditional USB (Universal Serial Bus)-A gadget, & one of the more & more popular USB (Universal Serial Bus)-C cables, which has PD fast charge technology so suitable for iPhones & most tablets. In this modern world where we're increasingly carrying around our tech, it is really handy to have one adaptor that will fit most charging applications. UK plug to UK socket adapter One USB (Universal Serial Bus) & one USB (Universal Serial Bus) C port USB C port features PD fast charging technology USB Type A Output: 5.0 Vdc 3.0A 9.0 Vdc 2.22A/12.0 Vdc 1.67A 20.0W Max USB Type C Output: 5.0 Vdc 3.0A 9.0 Vdc 2.22A/12.0 Vdc 1.67A 20.0W Max USB Total Output: 5.0 Vdc 3.0A 15.0W Max Max current: 13A9cm x 8.2cm x 5.2cm Conforms to BS1363 & BS EN 62368-1 standards