Portable Backup power banks
3600mAh&5200mAh power bank
Overview
*with 4 LED indicator light             
 1.Input:DC5.0V-1000mA           
 2.OutputA:DC5.0V-1000mA(max)  
 3.Size:122*66*10.6mm                
 4.Weight:89g    
 5.color:black, white, blue, pink   
 6.battery: polymer