The Jabra M5390 Multiuse headset is supplied together with the Jabra A335w Dongle and the Jabra M5390 Multiuse base. This unique combination allows you to use one single headset for all your communication needs. The Jabra M5390 Multiuse headset connects simultaneously to mobile phones and deskphones - or to mobile phones and PC softphones. The headset base together with the headset is used together with your deskphone.

The dongle allows the headset to communicate with your softphone through your PC or laptop. Simply press the dedicated key to answer a call - after removing the Jabra M5390 Multiuse headset from the headset cradle. To answer a call on a telephone without a headset button, lift the handset from the telephone for the duration of the call. To end the call, simply replace the handset on the telephone. If you receive a call on your mobile phone, simply take the headset out of the headset cradle and press the answer/end button. To end a call, press the answer/end button and place the headset in the cradle.