Developer's DescriptionBy Smart ReachiTalkie is a bluetooth speaker-microphone designed for PTT applications.iTalkie is a bluetooth speaker-microphone designed for PTT applications.Features:HD voiceQualcomm cVc audio technologyBattery life: est. min. three consecutive work shiftsSupport Zello App on Android (iOS not supported)Buy it at amazon https://www.amazon.com/Bluetooth-Microphone-Button-speaker-Android/dp/B01NBB7DU0The video tutorial is available at https://youtu.be/oi3AjYY8npA