This is a 4-way charger mainly used to charge 4 gargets at the same time. And when it charges, it gives it more energy to last longer than using a normal plugged chargers. It can be used for i-products, like iphone, Iwatch, airpod, and a wireless base to charge a wireless built phone to charge without use of plugged charger. It can also be used to charge phones with type C port, and others. Feel free to ask questions and be happy you patronize us at SammieS Investment Limited.