Specifications:

Input Voltage: 100-240V AC.
Output Voltage: 5V
Output Current: 2.1A (maximum for all 4 ports).


Features:

Recharge any compatible USB devices using this convenient USB charging port.
Blue LED lights flashing.
Perfect to use in office, home and travel.
With 4 interchangeable travel charger plugs: US, UK, EU and AU.
Efficient and convenient charging with Four USB devices at the same time, 2.1A total output.