Plantronics 370 rugged Mode D'Emploi

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1
Lift the ear loop.
2
Swivel the ear loop to the right to wear it on your left ear, or 
swivel it to the left to wear it on your right ear.
3
Place the ear loop behind your ear.
4
Rotate the headset so that  the eartip rests comfortably in 
your ear.
5
Align the microphone with the corner of your mouth.  
Callers can hear you best when you point the microphone towards 
the corner of your mouth.
Adjusting the Fit
Right
Left
2
1
3
4
5