Which revolutionary language translation product was first to offer real-time conversation translation through wireless earbuds?

Test your knowledge about significant product launches in the language technology space! The language learning and translation market has seen revolutionary products that have changed how we interact with foreign languages. This trivia question focuses on a groundbreaking product launch that transformed the accessibility of real-time translation. Do you know your language tech history?

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Google Pixel Buds (2017)
Waverly Labs Pilot (2016)
Microsoft Translator Earpiece (2016)
Skype Translator Headset (2015)