The PowerBuds are sports-themed TWS earbuds from Huami's brand Amazfit. They are unique in that they have a sensor for heart-rate tracking, a feature normally reserved for smartwatches. Their OEM has finally announced that they will launch on Amazon India in August 2020.
https://www.notebookcheck.net/Amazfit-announces-a-launch-for-its-PowerBuds-in-India.483853.0.html