Left ear bud isn’t working

lanawendel wrote:

[there] they’re Apple [earbuds] EarPods with lighting connector

EarPods with Lightning Connector - Apple

this has happened for the last three pairs

This suggests you’re not handling them properly.

https://manuals.info.apple.com/MANUALS/1000/MA1619/en_US/earpods_user_guide.pdf

You have said:

• ”head phones”
• ”ear buds”

Neither is the precise name of any Apple product. We don’t know what product you might mean.