Jabra M5390 MULTIUSE Manual Del Usuario página 17

8.5
Features:
Range
Talk time/
standby time
Transmission
protocol
Frequency band
14
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70 m/230 feet headset/base -
headset/dongle
10 m/33 feet for most mobile
phones
Up to 5 hours/up to 60 hours
®
Bluetooth
2.4 GHz
Headset switch
8.5 If the headset is absent,
the headset switch must be
activated in order to use the
handset or, if the headset is in
use with another Bluetooth
device, the headset switch must
be activated in order to use the
handset.
®