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About O2
O2 App, like oxygen, connects you and me.
O2 is the most popular voice chat club. You can use it like a group messaging app; also open an online Talk show here; and even communicate with people from different countries in the app to learn more foreign languages and cultural knowledge.
What's new in the latest 1.1.9
Last updated on 2024-05-02
Bug Fixed And Improve UI Experience
Videos and Screenshots
Old Versions of O2
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