OnePlus India — One plus bullet wireless z bass edition manufacturing defect

I bought one plus bullet wireless z bass edition and after a few days o[censored]sing it i started getting a distorted sound whenever I am on call. I tried replacing the same and they replaced it too but the problem remains, so i started searching for other users experience and come to the conclusion that they have been also facing the same issue and being a very reputed company they have managed to evade the problem by selling an entire lot of defective products.