User Manual
The stereo Bluetooth headphone enable you own more interaction and entertainment within
music space. You can enjoy music listening and realize data synchronization with Bluetooth
device at the same time.
Stereo Bluetooth head phone comply with the rule of CSR Bluetooth BQB agreement.
Compatible with updated Bluetooth mobile phone and support headphone speaker or hands
free setting
Product LOGO
Volume up / previous track
ON/Off /answer and end call/ play and pause /indicator light function
Volume down /next track
Microphone
Charging jack/Audio interface
User Guide
Please follow the below steps before using the headphone.
1. Please make sure that the headphone is fully charged
2. Please match the headphone to Bluetooth device, we suggest the battery is fully charged
before first usage.
How to charge Bluetooth head phone?
Firstly, pls insert the charging plug (included in the package) into the headphone charging jack.
Then pls connect the charger with the power（Charging voltage is between 3.7-5.5v）.When the
indicator light turned to red, your headphone is charging. Indicator light will be turned to be
green when fully charged.
Turn on the headphone
Press and hold on-off button for 3 seconds till the indicator light turned the color from red to
blue.
Turn off the headphone
Press and hold on-off button for 3 second till the blue indicator light after 3 times flash and
power off.
Remark: we suggest you turn off the headphone and charge it every two weeks to make sure
the headphone in a good condition if you stop using it for a long time.
Bluetooth Pairing
Manual Pairing
1. Enable the headphone into matching mode: press and hold on-off button for 3 seconds till
indicator light turned to be blinking red/blue,
2. Turn on the Bluetooth function according to your mobile phone’s instruction guide.
Setting your mobile phone to search our Bluetooth device, you will find“N4001BT”in the
searching list.
4.Pls insert the preinstalled pass word “0000,then match your mobile phone with Bluetooth
headphone ,The headphone will be in stand-by condition after successful connecting.
5. You can use the headphone to listen music or answer the call now.
Answer the call
Press the on-off button briefly when answer the call
Reject call
Press and hold the on-off button for 1-2 seconds in order to reject the current call
End call
Press on-off button briefly to end the call during talking
Last number redialed
Press on-off button twice to realize last number redial
Press on-off button briefly when playing music
Volume up/previous track
Previous song: Press and hold the button (No.3 button of picture2) for 2 seconds.
Volume up: press button (No.3 button of picture2) briefly once, the volume up a stair
Volume maximum:”du” warning tone is heard when adjust the volume to maximum
Volume down / next track
Next track: Press and hold the button (No.5 button of picture2) for 2 seconds.
Volume up: Press button (No.5 button of picture 2) briefly once, the volume down a stair
Volume minimum:”du” warning tone is heard when adjust the volume to minimum
CSR Chipset type: CSR
Power Class 2
The standby current: 1μA
Connection status but not playing working current: 11mA
Music playing status working current: 20-50mA
Call state working current: 20-30mA
Sensitivity: 95db
Frequency response：2.402GHZ-2.480GHZ
Impendence: 32
The Bluetooth Profile: A2DP\AVRCP\HFP
Call time: Approx 10 hours
Charging time: 2 hours
Standby time: up to 500 hours (We suggest to charge the lithium battery every two weeks in
order to make sure it is in the best condition if you stop using for a long time)
Music playing time: Approx 8 hours
Weight: 280g
Transmission distance: 10M
Bluetooth mode: stereo, hands-free, remote control
Product function: Music play/pause, previous/next, volume+/-, answer/end call, rejects call,
last number redialed
Battery capacity: 450 mA
Battery material: polymer lithium battery
Low power tips: the alarm will ringing and the red LED light will be flashing below 3.3V; the
headphone will shutdown below 3V; AUX function; charging function
Above reference time is different according to the user’s habit and mobile phone setting.
The information is only for reference.
Specification and design is subject to possible modification without notice.
Trouble shooting:
If you fail to connect the headset with mobile phone, please try the following steps:
*ensure that the headset has been started and charged correctly.
*ensure that the headset is matched with your mobile phone.
*ensure that the mobile phone Bluetooth function has been started, call audio and media audio
have been connected synchronously. Detailed instructions please refer to the user manual for
your mobile phone.
*ensure the distance between headset and mobile phone within 10 meters, and no
obstructions, such as walls, or other electronic equipment
If your problem can’t be solved, pls try to restart your headset or reboot your mobile phone.
Safety rules:
* Please use mobile phone and the headset correctly when driving according to local laws.
Please keep enough attention to ensure the safety while driving.
* Do not give the headset to children for playing, as small parts may cause a choking hazard.
*Please take note that using mobile phone and the headset according to indication of certain
areas, (these areas included: hospitals, blast zone and potential explosive area)
* Pls note using headphone on the plane is prohibited. Please turn off the headphone before
boarding.
* Do not suspend or store the headset in any position where the airbags may be deployed, it
will cause serious personal injury when the airbag deploys.
* Do not detach or damage the built-in battery.
Take note:
Pls abandon the headset according to local regulations .The headset disposed as general
waste is not allowed
Maintenance and repairing:
Pls switch off the headset when stop using, in order to avoid touching button accidentally and
making dial.
Do not let headphones exposed in liquid or moist condition.
Never use abrasive solvents to clean the headset.
Do not put the headphones in places that the temperature is too high or low , the best storage
environment is -10 degrees to +45 degrees Celsius, otherwise it will affect the span life of the
earphone.
Do not expose the headset in fires, which will cause explosion.
Do not let headset approach with sharp objects; it will cause scratches or damage.
Do not insert anything into the headset; it will cause damage to internal components.
Do not try to disassemble the headphone; there are no internal components that can be
repaired.
Pls put the headset in a dry place when stop using for a long time. In order to ensure the
working performance of the battery and earpiece, you should charge the headset in time when
put it aside over a month. And please also keep the headphone away from place with dust and
great varied temperature.
FCC Warning Statements:
1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause
undesired operation.
2. Changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will 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 encouraged to try to correct the
interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
Consult the dealer or an experienced radio/TV technician for help.
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