Plantronics 903+ Manuel D’Utilisation

•  Take a call or end it (1 tap)
•  Redial (2 taps)
•  Initiate phone’s voice-dialing (2-second 

press until tone is heard)

•  Reconnect lost Bluetooth connection

(1 tap if the headphones don’t automatically 
reconnect)

•  Cancel missed call LED (1 tap)
•  Reject a call (2-second press)
•  Transfer call to/from phone

(during call, 2-second press)

•  Enable/disable Online Indicator (while 

powered on, 2-second press Call and  
Volume Up buttons)

•  Use with the AC wall charger:

1 hour before first use 
3 hours (100% charge)

•  Do not use headphones while charging

•  Volume Up/Down (1 tap per level change)
•  Track Forward/Back (2-second press per 

track change)

•  Enable/Disable OpenMic™ (3-second press 

Call and Volume Down buttons)

•  Charging (solid red)
•  Fully charged (brief solid blue flash)
•  Low battery (2 red flashes every 

15 minutes)

•  On a call (blue flash every 2 seconds)
•  Missed call (3 purple flashes repeating 

for 5 minutes or until cancelled)

•  Pairing mode (repeating red/blue 

flashes) 

•  Play/Pause (1 tap)
•  Bass Boost (2-second press)
•  Mute Music or Call (1 tap)
•  Use OpenMic™ to pause music

and activate mic (1 tap)

•  On/Off (2-second press to turn  

on, 4-second press to turn off)

•  Activate pairing mode after

initial set up (press until  
red/blue LED flashes)

•  Check battery level (1 tap)

Be safe! Please read the safety guide 
before using your new headphones.