 
Clear settings or reset
To delete the pairings from the 
headset, switch on the headset, and 
press and hold the multifunction key 
 
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and the volume up key for about 5 
seconds until the indicator light 
alternates between red and green.
To reset the headset if it stops 
functioning, although it is charged, 
press and hold the multifunction key, 
and plug the headset into a charger.