1. For Zello , please setup in Zello App
   1. Insert "PTT Earpiece USB " to the USB Port of your ANDROID smartphone
   2. Open Zello ANDROID app
   3. Tap open the App Menu icon (3 vertical dots)
   4. Select Options
   5. Select Push-to-talk buttons
   6. Tap the Add (+) icon at the bottom right corner
   7. When prompted, give the PTT Button of  "PTT Earpiece USB " a short quick press.
   8. After successful setup, "USB PTT headset" should appear and described as "Hold to talk" mode.
   9. Select a channel. Try to PTT via  "PTT Earpiece USB "
   10. Lock the and off the screen. Then try to PTT again.
2.  

• Troubleshooting
  - Try to re-plug the USB
  - Verify that USB PTT Headset appears and it is in Hold To Talk Mode
  - Verify that a channel is selected before you exit Zello or off the screen.

USB - Push To Talk Earpiece with PTT button and USB connector. Supports most Android Smartphones. Supports iPhones with USB (iPhone 15 and newer) and Walkie talkie Apps. L-shaped USB to prevent accidental removal.
True Push To Talk - Unlike normal 3.5mm earpieces which works in Toggle mode, this is True Push To talk. Press to Talk, release and it stops. No more accidental jamming or hot mic.
Wire Design - 1 Meter from USB connector to listening airtube. Side Airtube Earpiece, 1x earpiece.
PTT button - Reliable & for 100,000 presses. Equivalent to 133 presses per work hour. 90 day and .
App Tested: Zello, , MS Teams, Unity Intercom. Other PTT apps might work too. Due to the variety of Android & Walkie Talkie Apps, we suggest that you purchase for TESTING first before making a larger purchase. Samsung phones generally work. iPhone 15 and newer supported. DOES NOT WORK: Relay X, Zello Radios that are not smartphones, Pickup.
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