How do I reset bluetooth settings on Rumba Earbuds? September 17, 2019 15:57 Follow lf pairing fails, switch the headset off and then back on so that the function LED flashes blue color again. Related articles What do I do if one earbud is not connecting? How do I connect Rumba Earbuds to my device? How do I turn On/Off Rumba Earbuds? Rumba Manual How do I turn up/down the volume on Rumba Earbuds?