How do I charge the KNZ Retro2 Vintage Style Speaker?

To charge the KNZ Retro2 Vintage Style Speaker, use the included charging cable. Connect the micro-USB end of the cable to the speaker and the USB end to a USB power source such as a wall charger, computer, or portable battery. Make sure the speaker is fully charged before using it. While charging, a solid red LED light will indicate that the speaker is being charged, and the light will turn off when the speaker is fully charged.
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