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  produce parameter:
1※ INPUT:5VDC                     
2※ OUTPUT:4.75-5.25VDC 600mA MAX                     
3※ The output port with USB2.0 bears dual functions,output and                     
        input.                     
4※ It bresks traditional charging way:can support AC power and                      
       DC power.                     
5※ SIZE:69.7*42.0*21.8mm