1, if it is a Bluetooth speaker (built-in battery) bright red LED may be low battery power, indicating to charge;
2, if it is a speaker powered by AC power, the bright red LED light may be the power switch is turned on, or it is in the silent state;
3, if it is a battery and DC power hybrid power supply speaker, bright red LED may be a reminder of the power supply type currently in use. If possible, please provide the type, brand and model of the speaker to facilitate the determination of the cause of the bright red LED
The stereo charging light keeps flashing, which means it's not fully charged. If you used to charge it for 7 hours or less, it will be full, but not now. It may be that the battery or battery cannot be charged, because the voltage can not be charged to the original voltage, so the charger thinks that it is not full
That proof can only be used in the first charge, can be used as a reminder that the charge is in progress