The 3-in-1 charging dock is a type of wireless charger, and its working principle is to use electromagnetic induction to charge electronic devices. The three-in-one multifunctional wireless charger consists of a base, a mobile phone wireless charging module, and a watch wireless charging module. It works with almost any Qi-enabled device. 10W fast charging mode for Samsung phones, 7.5W fast charging mode for IPhone and 5W standard charging mode for all other Qi devices like AirPods Pro. One product for all your needs.