Hold power button and the button below it that looks like a lowercase d with and apostrophe. d~. Only took about 3 seconds of holding for the charging glitch to go away and be able to turn on and off the speaker. Hope this works for you.
Hold power button and the button below it that looks like a lowercase d with and apostrophe. d~. Only took about 3 seconds of holding for the charging glitch to go away and be able to turn on and off the speaker. Hope this works for you.