Jabra Elite 4 Active User Manual page 11

4.2 Fast charge the earbuds
Placing the earbuds in the charging case for 10
minutes when they are at low battery will fast
charge the earbuds, offering up to 60 minutes of
battery. Fast charging the earbuds requires that
the charging case has a minimum of 30% battery.
You can see the current battery status of the
earbuds using the Jabra Sound+ app.
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