Nokia HS-20 Headphones User Manual

Warning: When using the headset your ability to hear
outside sounds may be affected. Do not use the headset
where it can endanger your safety.
Adjust the earpiece volume
To adjust the volume, press either end of the volume key (part 2) on the
side of the device. To adjust the volume quickly, press and hold the key.
Call handling
To make a call, use your phone in the normal way when the device is
connected to your phone. During the call, speak into the microphone
(part 9) of the device.
If your phone supports voice dialing, press and hold the call key (part 4),
and proceed as described in the user guide of your phone.
To answer an incoming call, press the call key, or use the phone keys. To
reject an incoming call, press the call key twice.