jbl audio charging does not go in the reasons for flashing:
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1. The power is out or the electrical outlet is broken. Try a different electrical outlet.
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2. The charger has a problem. The charging interface is broken, change a charger to see if it can be charged or find someone to repair. If it is determined that the charger is faulty, it is best to update it directly.
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3, Bluetooth speaker charging data cable is bad. The charger is in poor contact. Identification method: use the hand to change back and forth several angles insert.
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4. The Bluetooth speaker battery is broken and cannot be charged. The charger internal socket board has a problem, this has to find a professional maintenance personnel to check and repair. Or replace the battery.