Multiple Simultaneous Joy Con Controller Charging Dock Compatible with Nintendo Switch. Never run out of battery again and have your controllers ready for gaming, by charging up to 4 Joy Cons simultaneously. Quickly charge up all 4 of your controllers and get ready for some awesome multiplayer gaming action with friends and family. LED light indicators will light up blue when your Joy Cons are charging and then turn green when they are fully charged. The charger is guaranteed to be safe with no risk of over and under voltage. The wide base will stably sit on any surface and the non-slip grip will keep the dock from moving. Plug the micro USB port into the base and the other side into your computer, Nintendo Switch dock, power bank, etc. Super stylish design combined with the high quality material build, gives the charging stand a superior premium look. Keep your gaming setup clean and well organized with the addition of this charging dock.