https://www.bbc.co.uk/news/technology-53445771

Google has released its Pixel Buds headphones in the UK with an unfixed flaw.

When the Pixel Buds were released in the US in April, some people complained that they could hear a persistent “hissing” sound when the earbuds were used to play music.

The high-frequency noise appears to be outside the range of hearing for some wearers,