To set a button for Pryme BTH speaker/mics:
- Using the manufacturer's instructions, pair the device to your iOS device (iPhone, iPod, iPad)
- On the main menu, select Options
- Select the Push-to-talk buttons option
- Select Add New Device to display the Pryme accessory
- The new button is added to your list
- Test the PTT button by using it to send a message to your Echo contact on Zello.