Jabra Elite Sport OTE050 User Manual page 14

4.2 Charging the charging case
To power up the charging case, simply plug it
into a USB power supply or wall charger. It
takes approx. 2 hours to fully power up.
The LED above the USB port will light up red
when charging, and green when fully charged.
It takes approx 3 hours to fully charge both the
earbuds and the charging case together.
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Jabra Elite Sport