Special Design: 4 in 1 joy-con charging dock for Nintendo Swtich, built in PD protection chip, never over charge your joy-cons. Mini Design & Easy Use: very light and small, saving your space, convenient to take in. Easy to set up and use, just plug and slide your joy-cons on the charging docks. Safe and Fast to Charge: The same time about 3 hours to charge one to four switch joy-cons simultaneously with a 2.8FT Type-C cable. LED Charging Indicators: 4 LED lights clearly indicate charging status, COLOR RED for charging; COLOR GREEN for fully charged. Various Power Devices: Input 5V voltage, you can connect through any power devices, suches PC, latop, AC adapter, USB HUB and so on.