*Product Name: Arrow Power Bank
*Function: LED torch/4 power indicators
*Capacity: 8400mAh(Max)
*Cell Type: Li-18650 Grade: A++ 
*Input: 5V/1A 
*Output: 5V/1A,5V/2A 
*Charging time: 6-7 hours 
*Efficiency: 85%-90%
*Life cycle: Over 500 times
*Compatibility: Compatible with 99% product,most of 5V digital device
*Dimension: 110*57*15(mm) 
*Color: white/glass/green/pink/black/orange
*Material: ABS 
*Safety protection: over-charge, over-discharge, over-current, over-voltage, short-circuit, over-load.
*Warranty: 12 months