Sennheiser HD 4.50 BTNC Owner's Manual
HD 4.50BTNC
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Making calls on the headphones
Transferring a call to/from the headphones
When a call has been established, you can transfer the call between the head-
phones and the smartphone.
phones and the smartphone.
X
Press the multifunction button and hold for 2 seconds.
Press
Function
2s
Transfers a call from the headphones to the
smartphone
smartphone
Transfers a call from the smartphone to the
headphones
headphones
Redialing
The redialing function must be supported by your smartphone or
Bluetooth
device (with HFP profile). This function may be required to be activated on your
smartphone.
smartphone.
You can use this function when the headphones are not actively playing music
or are used for making calls.
or are used for making calls.
X
Press quickly the multifunction button twice.
Press
Function
Voice prompt
2x
Redials the last number
called
called
“redialing”
1x
Cancels redialing
“call ended”