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tracking, tap backward button once. 

 

Note: 

1.

 

When one headphone is connected to the device, the effective range of the 
Bluetooth is 10 meters. When two headphones are connected to the device, the 
effective range of the Bluetooth between two headphones is 5 meters. 

2.

 

The headphone will be turned automatically when a 3.5mm audio cable inserted 
into the headphone while the Bluetooth is connected. 

3.

 

The paring statues will last for 5 minutes.  

4.

 

The headphone will be turned off automatically if no device connected within 10 
minutes.  

 

Active Noise Cancelling Mode: 

• Adjust the volume on the headphones. 

• To power ON the noise cancelling function, set the ON/OFF switch to ON position. 
The Noise Cancelling LED indicator will light up in green. 

Note: After you turn ON the power, you might hear a slight hissing noise. This is a 
normal function and will cease after a few seconds. 

• When the batteries are running low, the Noise Cancelling LED indicator will 
become dim. 

• Once the battery is fully drained, the active noise cancelling feature will turn off 
but the audio signal from the music player will continue to transmit. 

• In quiet environments where noise cancellation is not required, the BNC50 can also 
be used like conventional headphones, without the use of batteries. 

• When not in use, switch OFF the POWER to extend battery life. 

 

External audio resource play 

Connect the external audio sources with the RIGHT AUX jack on the headphone by 
3.5mm audio cable.  

 

External 3.5mm microphone 

To add a external microphone, connect the included 3.5mm microphone with the 
LEFT AUX jacket on the headphone. The external microphone will have priority over 

Summary of Contents for BNC90

Page 1: ...d using the product In particular attention shall be given to the following information 1 It needs to be stored or used in the ambient temperature 2 It shall not be placed in water or wet locations 3...

Page 2: ...2 seconds to seamlessly switch the conversation between the headphone and the mobile phone 3 When an incoming call from the third party occurs during the call tap the MFB button to hang up the curren...

Page 3: ...the same time If was previously paired to a Smartphone it is possible to be paired with a 2nd Smartphone restart switch off and switch on to enter pairing mode repeat the above pairing procedure to p...

Page 4: ...ry headphone is still expected to be in use the indicator of the secondary headphone will return to standby mode and flash green 1 once every second You will have to manually pair the headphone with a...

Page 5: ...light up in green Note After you turn ON the power you might hear a slight hissing noise This is a normal function and will cease after a few seconds When the batteries are running low the Noise Canc...

Page 6: ...Q2 Why can t I connect the headphone to my Bluetooth device A2 1 The Bluetooth function on your device may have been turned off Please turn on the Bluetooth function on your device and allow it to sea...

Page 7: ...ooth chipset CSR8670 with aptX Low Latency 3 Noise cancellation rate approximately 90 4 Bluetooth profiles HFP HSP A2DP AVRCP AAC aptX aptX Low Latency 5 Speakers 40mm neodymium 6 Audio impedance 32Oh...

Page 8: ...ill not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is en...

Page 9: ...1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation...

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