Operation Step:
1. Simple using the original iPhone charging cable is well enough to charge this charger. One end of charging cable connects with the "IN" port, another end connects with computer's USB or DC5V charging port. The red LED will indicate the charging process
2. Simply plug the charger into iPhone charging port. And the iPhone will indicate it's charging, when the red LED is off means the charger is out off power. Need to recharge the charger.

SPECIFICATIONS:
1. Input voltage: DC 5V
2. Input current: 500mA
3. Output voltage: DC 5V
4. Output current: 600mA
5. Product size: L90*W9*T48mm
6. Product weight: 23.5g
7. Applicable to: iPhone
8. Capacity: 500mAh