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Pairing NoiseHush N450 Bluetooth headset with your cell phone 

will create a stored connection in the headset and your Bluetooth 

cell phone. Pairing has to be done only once, when first connecting 

to a phone. 

Charging the Headset:  

Before you start, charge your N450 unit by plugging the USB Charger 

into the USB port on your computer then plug the other end into the 

headset. The Red LED indicator will light up showing that the unit is 

being charged. When charging is complete the Red LED indicator will 

turn off automatically.

LED indicator chart

Note:  Sniff mode means your headset has a connection with your phone but  is conserving

 

power, and will wake up when any function is activated.

Blue indicator blinks 4 times
Red indicator blinks 4 times
Blue indicator blinks once every 2 seconds
Blue indicator rapidly blinks twice every 10 seconds
Red and Blue indicators alternately blink
Blue indicator rapidly blinks 2 times every 8 seconds
All Blue indicators will change to Red
Red indicator stays ON
Red indicator turns OFF

Power on 
Power off 
Standby mode
Sniff mode 
Pairing mode
Active call
Low battery
Charging 
Charging complete

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Headset Functions

1.  Power ON your headset:

  Press and Hold the Function button for about 3 seconds until the blue  

  indicator flashes four times. After powering on, your headset should  

  automatically connect to your last used phone if it is in operating range.

  If no paired phone is in range or no phone has been paired, the

  “NoiseHush N450” will enter Standby mode.

2.  Power OFF your headset:

  Press and Hold the Function button until the red indicator rapidly flashes

  twice.

3.  To Answer or End a call:

  Press the Function button once when there is an incoming call to Answer.

  Press the Function button once again to end the call.

4.  To Reject* a call:

  Press and Hold the Function button for about 3 seconds when there is an

  incoming call.

5.  To Redial* the last call:

  Press and Hold the Function button for about 3 seconds and then release.

6.  To activate Voice Dialing*:

  While connected to your phone, rapidly press the Function button once.

  Voice commands must have been previously recorded into your phone

  (see your phones user guide)

7.  To adjust the Volume:

  Use your phone Function buttons to adjust your desired volume levels. 
  * To use these functions, your phone/device must support the Bluetooth  

  Handsfree Profile.  

 

Note:

  To reset N450 simply connect to a charging device.

  Always turn OFF N450 when not in use to conserve battery power.

  Refer to your local safety laws and regulations before using the device.

Contact Us

For additional help or to purchase accessories such as AC / DC,
please visit us at www.noisehush.com

Pairing the Headset:
1.  First turn the phone OFF and then back ON again to refresh its memory.
2.  Bring the mobile phone to about 30cm from NoiseHush N450 headset.
3.  Find the Bluetooth menu in your mobile phone. Turn Bluetooth ON.  

  (Check your mobile phone user guide)
4.  With the NoiseHush headset OFF, Press and Hold the Function button

  for about 6 seconds until the LED flashes Blue to Red.
5.  Your headset is now ready to be discovered by your Bluetooth mobile phone.
6.  Perform a Bluetooth device discovery on your mobile phone to add a new  

  device. It takes a few seconds to search for and find other Bluetooth

  devices around you.
7.  When Bluetooth devices are found, the phone will display “NoiseHush  

  N450”. Scroll to it and press OK to confirm that you want to pair with it.

8.  Enter the Passkey "0000" when your phone prompts you. The phone will  

  now pair with the headset.
9.  If your Bluetooth phone menu supports it "set as authorized" or "add to  

  trusted devices"
10. Again select the NoiseHush N450 to connect with it. OR, Press the    

  Function button to connect with the phone.
11. If the pairing is not successful, the Headset will return to the standby mode,  

  please repeat the pairing process to try the pairing again. 
12. Refer to your phones User Manual for any additional steps.

  Note: To conserve battery, NoiseHush N450 will automatically turn off if it’s

  not paired with your phone after 20 minutes.

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1. Indicator Light
2. Function Button
3. Charger Socket

4. Ear Hook
5. Microphone
6. Speaker

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