Product Specification:
Product name Power bank
Capacity 4000mAh
Input DC 5V/1A
Output DC 5V/1A
Charge time 3 hours
Working temperature -10~55 degree
Circle time >500 times
Plug and play yes
Product size 8*65*120mm
Materails PC ABS
Color black,white,blue,yellow.
Safety protection over-current, over-heat and over-voltage