Are voice translation earbuds actually viable in public? I tested some, here's my advice

I've tested numerous earbuds with all manner of promises, but the Viaim RecDot have something I've seen on only a few pairs.
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VA Telecom Transforms Telecommunications With Advanced Open Networking Solutions From IP Infusion and Pine Networks

VA Telecom is a telecommunications operator dedicated to business customers in France. With a backbone spanning six data centers, VA Telecom offers internet access, fixed and mobile telephony, ...