... 1A Output:DC5.1V 1A /2A compatibility coverage ac/dc power supply Mobile Phone Chargers Supports Dual Outputs With LED 8400mah ... function:1. Double usb output,Use USB to supply the power,charge by usb data line at any time ,any where ... charge different mobile device .2. 8400mAh high capacity 18650 Lithium core,standby time for cellphone,small volumn, fashion outlook, portable .3 ...