Special Note:   1. Non-mobile power supply, only usb interface, 4A current, mobile phone and tablet can be charged, iosAndroid system is common.   2. The difference between the basic model and the Plus model: the basic model does not provide an adapter interface for the Macbook power supply, and the Plus model provides an adapter interface. In a simple sentence, if you have a Macbook notebook, or you want to start a Macbook, you are advised to choose the Plus model. If not, you can choose the basic model.   3. The Twist Plus series is a power adapter specially designed for users of Mac Book. After assembling the Power Book Twist Plus of the Mac Book, you can plug in any type of socket and use it if you are equipped with USB. The Twist Plus interface allows you to charge your Mac Book while charging your Mac Book.