MULTIFUNCTION - Can charging for 4 Joycons or 1 Pro Controller and for 2 Joycons at the same time. You can also charger for OLED Joy Con (No include Switch, controller for Joycons and Pro Controller) SIMPLE OPERATION DESIGN - Easy slide-in design & plug and play. Put for Joy-Cons or pro controller into the charging dock, and plug it into any USB port, then it will charge.