This adapter can charge 2 USB devices simultaneously.
This adapter is a AC to DC power transfer device, it can provide for a 7.5W dc output with constant voltage source.
Charge any device that uses a USB charging cable ( iPod, cell phones, MP3 players, PDA, etc...)

Input : 100V - 240V 50-60Hz 0.2A
Output Voltage: Vout: 5.0V, Range: 5.0 - 5.6V, Vpp: 200mA max
Output Current (DC): 0 - 1.5A
Protection: SCP : For short circuited protection and with auto-recovery function.
Operation Temperature: 5 to 40 Degree Celsius
Storage Temperature: -40 to 70 Degree Celsius