Plantronics Discovery 975 - Manual (Page 4)

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Earpiece Features and Accessories
Volume Control Button:
Volume up/down
Mute on/off
Online indicator on/off
Eartip
Vents and screens
for microphones
Charging Jack
Call Control Button:
Call answer/end/
reject/redial
Power on/off
Pairing to phone
Transfer call
to/from phone
Reconnect when
back in range