Jabra Engage 75 User Manual page 19

4.4 Dock and charge the headset
The headset will charge whenever it is docked
in a base that is connected to a power supply.
The status LED on the headset and the battery
icon on the base will pulse to indicate the
headset is charging.
The stereo/mono headsets have up to 13 hours
of battery, and the convertible headset has up
to 9 hours of battery.
All headsets take approx. 1.5 hours to fast
charge to full. 40% of the battery will charge in
approx. 30 minutes.
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