THE NEW AGE?4 ports travel charger :-Charges up to 4 devices at ONCE-Multiple safety protection system to ensure battery safety : Voltage control, current control, temperature control and the maximum charging time control.-Smart IC could auto detect your device provide needed input without selecting which port to plug in.-AC 100-240V input voltage ideal for international travelTotal output 8.4 A Max4 Ports?The New Age 4 ports travel charger :-Charges up to 4 devices at the same time-Multiple safety protection system to ensure battery safety : Voltage control, current control, temperature control and the maximum charging time control.-Smart IC could auto detect your device provide needed input without selecting which port to plug in.-AC 100-240V input voltage ideal for international travel.The New Age 4 ports travel charger :-Charges up to 4 devices at the same time-Multiple safety protection system to ensure battery safety : Voltage control, current control, temperature control and the maximum charging time control-AC 100-240V input voltage ideal for international travel.The New Age 4 ports travel charger :-Charges up to 4 devices at the same time-Multiple safety protection system to ensure battery safety : Voltage control, current control, temperature control and the maximum charging time control.Charges up to 4 devices at the same time.