The new Redmi SonicBass Wireless Earphones are accessories of the 'neckbud' variety alluded to in a leak earlier in 2020. Now, the brand has finally launched them in their first market, Nepal. They will cost the equivalent of about US$17 in this country on their imminent release.
https://www.notebookcheck.net/Redmi-launches-its-SonicBass-Wireless-Earphones-in-Nepal.492506.0.html