my left air pod pro is not working

Hi jassoclau, welcome to the Apple community

I hope you are doing well 🤗

This problem has already happened to me, it was a dust that prevented charging. I advise you to try that I put below and if it still does not work I invite you to contact Apple support.

-If your AirPods won’t charge - Apple Support

-If your AirPods won't connect - Apple Support

-If your left or right AirPod isn't working - Apple Support

-How to clean your AirPods, AirPods Pro, AirPods Max, and EarPods - Apple Support

-How to reset your AirPods and AirPods Pro - Apple Support

If the issue is not resolved, feel free to come back to us or contact Apple support for more information.

Apple support is available here: Apple Support

See you soon👋

Julio