Twist World Charging Station is the ultimate travel companion. Quickly attaches to any Apple MacBook Power Adapter by replacing its attached plug or extended power cord. When snapped into place: Twist World Charging Station not only allows for worldwide charging of MacBook: but also provides 4 ports: 4.0 Amp USB charging station for iPad/iPhone/Smartphone/Tablet. Simply twist to select the local plug: and power up to 5 devices simultaneously: from a single outlet. No more hunting in your hotel room to find multiple outlets to power your gear!