Battery level
･20% or less than 20% : Red
･21-40% : Magenta
･41-60% : Yellow
･61-80% : Blue
･81-99% : Green
･100% : turn off

During charging LED flashes a completion state of charge, it will be off and charging is complete.

Note: If the application of the same function is mixed, there is a possibility that it does not work correctly.