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Zello Walkie Talkie on the App Store
Zello, el Walkie Talkie para iPhone que se ha convertido en tendencia en la App Store:
Zello app turns your phone into a walkie talkie and lets you make calls when phone reception is poor | The Sun
Amazon.com : Pryme BT-PTT-Z (Mini) Wireless PTT Switch for Zello, Apple iOS Only, Wireless PTT Switch Works with Zello iPhone/iPad App, No Charging Required, Small : Electronics