Brand new x4's have only been used for about 4 runs. Today took them off the charger and noticed high pitched hissing coming from right earbud. Tried to cycle off/on... unpair/pair with a couple different devices, then hard reset. During this 5 or 10 minute time, the battery notification went from "fully charged to zero". Now they won't even turn on, even after being charged. Just a hiss from the right earbud without the usual voice prompts... Contacted support. Sounds like they're defective.
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