How long does it take to fully charge the JBL Wave Flex 2 earbuds?
The earbuds take less than 2 hours to charge from empty. The charging case uses a 500 mAh / 3.8V lithium-ion battery, and the required power supply is 5V 1A. The charger must deliver between a minimum of 2.5 Watts and a maximum of 5 Watts to achieve the maximum charging speed.
From the official Jbl Wave Flex True Wireless Earbuds manual, page 16
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