I need to file a claim on my x2 headphones as they charge but do not power on with the center power button "o" and there is no audio which comes throw the headsets. I've tried resetting and connecting to multiple devices. I can only power on or off the headphones by clicking the "-" button. No audio is present when connected to any bluetooth devices. It appears the button functionality and the volume down button are not functional, as well as volume from the connected device does not work.
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