It can charge up to 4 Joy-Con controllers simultaneously, always have your Joy-Cons fully charged and ready for gaming. Individual LEDs indicate charge status for each Joy-Con.
Red: charging, Green: Fully charged. Easy to slide in and start charging in seconds. Unique cylindrical shape design with non-slip base for stability. USB input. Package includes a charging dock and a USB cable, not includes AC adapter and Joy-Cons. Charging dock for Nintendo Switch Joy Con controllers, it charges up to 4 Joy-Cons at a time. Just simply slide the Joy-Con Controllers down and wait until each LED changes from red to green.