https://www.theguardian.com/technology/2017/oct/05/google-pixel-buds-babel-fish-translation-in-ear-ai-wireless-language

AI-powered translation piped through wireless earbuds is another big step towards the removal of the language barrier

Alongside the new Pixel 2 smartphones Google unveiled on Wednesday night, the company also launched a set of Bluetooth earbuds called the Pixel Buds with one standout feature: instant translation between 40 different languages using a Pixel smartphone.