How to use the Leitner Dongle LH400 Series Headsets

The LH470 & LH475 will have a DECT dongle that plugs directly into a USB port in your computer. In some cases, you may be able to use this with a desk phone that has a USB port, as well! Here are the instructions on how to use it!

Note: This dongle and headset are NOT Bluetooth, and will not be able to pair with a cell phone or other Bluetooth device.

In case you haven't already, here is the article showing you how to set up your Leitner Premium Dongle headset with your computer.

Using the headset

Turning the headset on and off

To turn the headset on, simply press the silver button on the side with the microphone. The FocusLight on the headset will turn blue.

To turn it off, just press the same button again and the FocusLight will go dark and the headset will be turned off.

Adjusting volume

You can increase/decrease the speaker volume by clicking the buttons above and below the microphone respectively. You can mute the microphone by pressing and holding either volume control button for 1 second. FocusLight will turn purple when mic is muted. Press and hold either button again for 1 second to unmute.

Charging

The headset will come with a USB-C to USB-A cord, which you can use to charge the headset.

Additional Information

• If you have the LH570/575 or LH670/675, you can pair the headset to the dongle!
• The LH470, LH570, and LH670 all use the same microphones
• The LH475, LH575, and LH675 all use the same microphones