Zello PTT Walkie Talkie 4.21 APK

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Turn your phone or tablet into a walkie-talkie with this lightning fast no PTT (Push To Talk) radio application. Talk to your private contacts or join the public channels to engage in heated debate.
+ Real-time streaming, high-quality voice
+ Contacts availability and text status
+ Public and private channels for up to 2500 users
+ Possibility of PTT button hardware card (Push To Talk)
+ Bluetooth headset support (selected phones)
+ Support for Android Wear

Supported Android

Varies with device