Zello partnered up with David Clark to bring you a heavy-duty, noise cancelling headset so you can PTT like a pro.
1. Open the Android settings, select Programmable button
2. Under programmable key choose Zello, or Zello for Work
3. Open the Zello Menu > Options > Push-to-talk button. Under the select push-to-talk button drop-down menu select custom and press the button on the headset.
Change the Push to talk button action to Toggle mode.
Find a dealer to buy yours here: http://www.davidclark.com/dealers/intlDealers.html.
Questions? Email firstname.lastname@example.org.