I have bought 2 jaybird X4 and in both I have the same problem. When I fully charge the battery I use the device without problems, and then turn it off. After a day, I want to use it again but it doesn't turn on. I put it to charge again (LED in red) until it fully charges (Led in green) I turn it on and check that it says "battery is fully charged" And then I turn it off (until the red LED appears). And I don't use it at all. The next day I turn it on and it says "battery is 40%, and how? If I have not used them? Conclusion, the battery drains or discharges itself when switched off. How to solve this? PS I have updated the firmware since the website and I have installed it but the problem persists even if I charge the battery in the USB port of the laptop that has less power or in a charger of less than 1 amp. I live in Ecuador 🇪🇨 . Thanks
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