The stand is designed to charge the Nintend Switch Joy cons, with 4 charging docks, put the controller into the charging dock.
LED Indicator: Red for charging; Green for fully charged.
Over-voltage protection, temperature control and foreign object detection, fully protect your devices.
Put the controller into the charging dock when charging. This stand use USB-5V to charge,easier for controller charging from Nintend Switch ,PC and other 5V adapter.