1, the Bluetooth headset is red when charging, indicating that there is no power inside the Bluetooth headset, and it is necessary to charge the Bluetooth headset in time. 2, wait for the Bluetooth headset to be charged with a certain amount of electricity, the Bluetooth headset will jump the blue indicator light, but it does not mean that it is fully charged. 3, the blue indicator light of a fully charged Bluetooth headset will always be on, and the general Bluetooth headset will take about 2-3 hours to be fully charged.
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