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Restore factory settings.
Method one
Step 1: Remove the "L" headset from the charging box. Wait 30 seconds,
when the LED indicator turns red and blue alternately, press the
multi-function button 4 times (interval time is 0.5 seconds), the headphone
LED indicator turns red and then goes out. The "L" headphones are restored
to the factory settings. Put in the charging box.
Step 2:
Remove the "R" headphones from the charging case. Wait 20
seconds, when the LED indicator turns red and blue alternately, press the
multi-function button 4 times (interval time is 0.5 seconds), the headphone
LED indicator turns red and then goes out. The "R" headphones are restored
to the factory settings. Put in the charging box.
Method Two
Step 1 Manual shutdown:
Remove the left and right headphones from the
charging box, press the multi-function button for 10 seconds, the LED
indicator turns red and then goes out.
Step 2 Turn on and pair:
Press the left and right headset multi-function
buttons for 10 seconds, and then release the finger after the left and right
headphone LEDs flash alternately.
Step 3 Restore the factory settings:
quickly press the left and right
earphones multi-function button 4 times, the left and right earphone LEDs
turn red and then go out.
