How to charge :
First charge bigger power bank,
then unplug the charging cable, the finger power banks are in charging.
The standard comes complete with the following accessories:
1:5000mAh polymer lithium battery large magnetic power bank
2: 4 Pieces * 1000mAh polymer lithium battery small magnetic
3: for Apple magnetic head X1
4: Android magnetic head X1
5: Type-c magnetic head X1
6: Micro data cable X1
Notice: the charging port of the charging port is Android interface,
and the output port is USB2.0 protocol.