Customer Service, is that what you call it !
"Response from Customer Support
13/10/2024
Hey, Thank you for your feedback. We're sorry to hear that you're facing a battery deterioration issue with your WF-1000XM4, this is not the norm as we strive to deliver the best quality possible. If after charging the headset fully, the battery level goes below 80% after 30 minutes of use, you will need to contact us to be able to tackle this matter further for you. If you require any assistance, you can contact us using this link: https://cutt.ly/q8P6ehW Maryam @Sony support UK"
