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Wireless Bluetooth PTT Button, Mini PTT Button Switch, Waterproof Walkie Talkie Button, for Zello for IOS for Android: Amazon.co.uk: Electronics & Photo
![PSA: Zello app for iPhone is not an actual walkie-talkie, still needs internet connectivity to work | AppleInsider PSA: Zello app for iPhone is not an actual walkie-talkie, still needs internet connectivity to work | AppleInsider](https://photos5.appleinsider.com/gallery/22680-27727-71h2M2o0p+L-l.jpg)
PSA: Zello app for iPhone is not an actual walkie-talkie, still needs internet connectivity to work | AppleInsider
Are there any alternative of Zello for walkie-talkie supported office communication even support for Mac & Windows? - Quora
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