My fully charged Powerbeats3 keep randomly turn off no battery issue

My fully charged Powerbeats3 keep randomly turn off no battery issue
My Powerbeats3 I bought at Apple are special addition dark green. For some reason they randomly turn off like they are dead but I have full battery or close to. All day long now they randomly turn off sometimes every 30 seconds. So frustrating and no ides what to do. They turn back one NO RED light. Sometimes it flashing the normal white light but when I try again after 10 secs they turn on like normal.

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