Ensuring connectivity worldwide; power and charge up to 5 devices simultaneously, remarkably simple and elegantly designed. The perfect product for all your mobile, tablet and MacBook charging needs. Designed for use with Apple Magsafe 1 and 2 adapter, 12w USB adapter, apple portable power adapters, world travel adapter kit, battery charger, airport express. 4x USB outputs offer a total of 4amp 20w charging for multiple tablets, mobiles and other compatible devices at the same time. Worldwide compatibility in over 150 countries. Unique twist and release design. (not included).