The red light of the charging bay blinks when i12 Bluetooth is charging
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1, the charger output voltage is too large or too small, the standard should be between 3.5 and 5 volts.
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2, the charging line transmission voltage is too large or too small, the standard should be between 3.5 and 5 volts.
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3, the battery is in poor contact, or the protection board is damaged, you can check it with a voltmeter, or give it to the after-sales treatment.
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4, the battery protection board is protective, when the voltage is lower than or higher than the required voltage, it will automatically protect.
Flash red because the battery is extremely low, you can wait half an hour to see if it still flashes red, if it still flashes, it means that there is a fault in the charging bin, try to take out the headset, and then put it in again to charge, or check whether the data cable and interface are not well connected, the charger, the battery is faulty, you can detect or replace it, if you do not put the headset, the battery bin still flashes red when charging, It's a broken battery in the battery compartment
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