This product is 4 charging slots for charging one to four JoyCon handles simultaneously so you can always have controllers ready. (Joy-Con controllers not included)Smart Charge Protection,Built-in IC chip to prevent overcurrent, overheating, overvoltage, short circuit,Protective function.Please be assured of security issuesFast Charge and LED Lights ,Charges all 4 controllers in approximately 2.5 to 3 hours, and this Joy-con charging station has 4 independent LED charging indicators.(Red means charging; green means full charge)Equipped with a Type-C charging interface,Can be connected to N-Switch original Adapter provides power input to the productThe product is small and portable, simple to operate, colorful indicator light, real-time display of charging status