Jabra Elite 3 User Manual page 12

4.3 Charging the charging case
using USB
Plug the supplied USB-C charging cable into
the charging case and a USB-A power supply or
certified wall charger. It takes up to 3.5 hours
to fully charge the earbuds and the charging
case (depending on the charger used)
USB-C
It is recommended to use a power supply with
5V +-0.25V and maximum charging current
below 2A. It is not recommended to charge the
earbuds or charging case using a power supply
with a higher voltage.
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