Jabra M5390 User Manual

Page 16

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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.

7.1

7.2

7.3

7.4

7.5

10 min

8.5

Features:

Range

230 feet/70m headset/base -
headset/dongle
33 feet/10 m for most cell phones

Talk time/
standby time

Up to 6 hours/up to 60 hours

Transmission
protocol

Bluetooth

Frequency band

2.4 GHz