1, redmibuds4 youth version charging indicator light
Each Bluetooth headset has a flash that flashes blue when normally charged.
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2, when there is no electricity, the flashing red light will also report the alarm every ten seconds and emit a dripping sound. Generally, a fully charged Bluetooth headset can talk for 7 to 8 hours continuously, and the standby time is about 9 to 10 days.
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3. When the Bluetooth headset is fully charged, it will show a red light and will always be on, or it will show a green light