How do you charge an OontZ speaker?

To charge an OontZ speaker, connect the included USB charging cable to the charging port on the speaker and plug the other end into a power source like a USB wall adapter or a computer. Ensure that the speaker is powered off during charging for optimal results. The charging indicator light will typically illuminate to show that the speaker is charging. Once fully charged, the light will turn off or change color, indicating it's ready for use.