The Bluetooth headset has been flashing red and blue. This case is that the Bluetooth headset has been connected to a nearby mobile phone or other device, and the red and blue lights will flash alternately when it is plugged in to charge.
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This is relatively common and does not affect the headphones. The red light represents that it is charging, the blue light represents that it is working, and it can be solved by shutting down and recharging.
Because the internal line of the Bluetooth headset has the consequence of short circuit, the blue and red light of the Bluetooth headset flashes alternately, which is due to the short circuit of the internal line, so it leads to the consequences of the red, yellow and blue single luster market