How long does it take to fully charge the JBL Tune Flex?
The earbuds charge in less than 2 hours from empty. The charging power supply required is 5V at 1A. The earbud battery is a 55 mAh lithium-ion polymer and the charging case holds a 570 mAh lithium-ion polymer battery. (Page 15)
From the official Jbl Tune Flex Earbuds manual, page 15
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