Overview Of Buttons - Sennheiser HD 4.50BTNC, HD 4.50R Instruction Manual

Product overview
10 | HD 4.50BTNC/HD 4.50R

Overview of buttons

Power button
Press Function
Switches the headphones on and off
2s
button
Activates/deactivates NoiseGard (audio cable
1x
connection with sufficient battery life)
Multifunction button
Press Function
Accepts/ends a call
1x
Accepts an incoming call and holds the active call
Plays/pauses a track
Redials the last number called
2x
Holds/unholds a call
Accepts an incoming call and ends the active call
Toggles between 2 active calls
Rejects a call
2s
Activates the voice control
Transfers a call between the smartphone and the
headphones
Plays the next track
Plays the previous track
Rewinds a track
Fast-forwards a track
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