Cableless Design-No extra charging cables are needed, no need to worry about the winding knotted charging cord. ②Multi-purpose Dust Cap-Not only can help you stabilize the watch, but also protect your charger. ③Double-sided USB-Plug it into the USB port of your computer, socket, or power bank to start charging anywhere. This portable charger for apple watch is small and compact.You can store it in pocket or purse easily, perfect travel partner for Apple Wacth. Compatible with all Apple Watches, such as Apple Watch SE/6/5/4/3/2/1, Apple Watch Sport, Apple Watch Nike +, Apple Watch Hermes, Apple Watch Edition, and support all watch specifications (including 38mm 40mm 42mm 44mm version).