VOZ NV-W003 User manual

第- 1 - 页共11 页
USER MANUAL
TWS Wireless earphone

第- 2 - 页共11 页
Product Parameters：
Product model
TWS Wireless earphone
version
Bluetrum-Technology8832A
V5.0+EDR
Talk time
about 5 hours
Music time
about 5 hours
Headphone tip language
English
Transmission distance
10m
Headphone charging time
about 1 hours
Charging time of charging box
about 4 hours
Single headphone weight
5g
Charging box weight
45g
Headphone battery capacity
70mAH
Charging box battery capacity
500mAH
Headphone battery model
501515+PCB board
Charging box battery model
902030+PCB board
Battery type
Polymer lithium battery
Guarantee
1 Year

第- 3 - 页共11 页
Function description：
Horn
Charging contact
Headphone indicator position
Switch/Power
button
microphone
LED indicator
Charging box battery
indicator position

第- 4 - 页共11 页
Charge:
(1) Headphone charging. The charging box has built-in batteries.
When the charging box has enough power, the headphones are put
into the charging box. When the charging box switch is set to ON
position, the headphones can be charged. When the headphones
are charged, the red LED light is on, the blue LED light is on, and
several blue lights are on to represent the remaining power of the
charging box. When the headphones are charged saturated, the
blue light is always on. When the blue light is always on, the switch
of the charging box can be set to the "OFF" position to turn off the
power supply of the charging box.
(2) Charging the charging box. When the power of the charging
box is too low or no power, connect the USB cable to charge; when
the charging box is in the charging state, the blue light is always on,
and there is a blue light flashing slowly, which means that there are
Micro USB charging
port
Charging box toggle
switch

第- 5 - 页共11 页
still a few remaining batteries.
State
LED indicator
Earphone
Charging
Red light is always on
Full of electricity
Blue light is always on
Charging box
Charging
One of the indicators lights blue
light
Full of electricity
Four grid lights are always on
Wearing method:
Please select the best earplug for you from the different sizes of
earplugs we provide (medium size earplugs are worn when
headphones are manufactured, and each pair of big earplugs, small
earplugs and hook ear hangers are included in the accessories), so
as to get the best sound quality.

第- 6 - 页共11 页
(Reminder): In exchange for the hook ear hanger, it can be more
suitable for the ear, running, and can not be wildly thrown off, the
effect is better.
Matching mode:
(1) Open the top cover of the charging box, take out two earphones,
press the switch key of two earphones for about 3 seconds until
they are released after the blue light is turned on (there is a boot
prompt sound). At this time, two earphones begin to match
automatically (there is a pair of prompt sound). When the pairing is
successful, the red and blue lights of the headphones flashing
alternately in the main ear and the blue lights flashing slowly in the
secondary ear; then turn on the Bluetooth device of the mobile
phone and search for matching. For the name "A7", click on the
connection. At this time, the two headphones can be connected to
the mobile phone. After successful connection with the mobile
phone, the two headphones light up slowly and flicker once every 3
seconds.
(2) Open the top cover of the charging box, take out one of the
earphones first, hold the switch key of the earphone for about 3
seconds until the blue light is turned on and release the hand (with
the boot prompt sound). Then take out another earphone, hold the
switch key of the earphone for about 3 seconds until the blue light
is turned on and release the hand (with the boot prompt sound). At

第- 7 - 页共11 页
this time, the two earphones begin to pair automatically (with the
matching prompt sound). After the matching is successful, the
earphone indicator lamp will be released. Red and blue lights
alternately flicker on the main ear and blue lights slowly flicker on
the secondary ear; then turn on the Bluetooth device of the mobile
phone, search for the matching name "A7" and click on the
connection. At this time, the two headphones can be connected to
the mobile phone. When the connection is successful, the two
headphones will flicker slowly with an interval of 3 seconds.
Monaural pattern:
Open the top cover of the charging box, take out one of the
earphones, hold the switch button of the headphones for about 3
seconds until the blue light is turned on (there is a boot prompt
sound), and the red and blue lights flicker alternately after 5
seconds; then turn on the Bluetooth device of the mobile phone,
search for the matching name "A7" and click on the connection. At
this time, a single headphone can be connected to the mobile
phone. When the connection is successful, the blue light of the
single headphone flickers slowly. Flicker every three seconds.
Call answering/hanging up/refusing/terminal callback/calling
Siri
When headphones are in paired state, they are connected to the

第- 8 - 页共11 页
mobile phone, and when there is a call in, there is a telegram
number at this time.
(1) Call answering.
Any click on the switch key of the main ear or the auxiliary ear can
answer the call. (In single ear mode, operate in the same way)
(2) hang up the phone.
In the process of talking with the other party, if you want to end the
call, you can hang up the phone by clicking the switch key of the
main ear or the secondary ear at will. (In single ear mode, operate in
the same way)
(3) Reject calls.
Press the switch key of the main ear or the secondary ear for 1
second at any length to reject calls from the other side. (In single ear
mode, you can operate in the same way)
(4) Last call back.
When the headphone is connected to the mobile phone in the
matching state, the terminal callback can be completed by double
clicking (fast main ear or auxiliary ear switch) without calling. (In
single ear mode, operate in the same way)

第- 9 - 页共11 页
(5) Call siri.
When the earphone pairing is successful and connected to the
mobile phone, Siri can be called by pressing the main ear or
accessory ear for 1 second, and Siri can be turned off by pressing
the main ear or accessory ear for 1 second.
Other function tests:
(1) Automatically connect the paired mobile phone after booting.
(2) The TWS connection state lasts for 20 seconds, and the
Bluetooth status of the mobile phone is connected for 30 seconds. If
there is no connection, the pairing state will be entered;
(3) The headset is disconnected from the phone and automatically
shuts down after 10 minutes.
(4) iPhone power synchronous display.
(5) The volume adjustment of the iPhone phone is synchronized.
(6) Recharge reset. (When the headphones are charged in the
charging box, the headphones return to their original state before
booting)

第- 10 - 页共11 页
(7) When the electric power of the earphone is less than 10 %, there
will be a "low power, please charge" prompt tone. After the prompt
will be automatically turned off, the headphone should be charged
in time.
(8) Charging box battery capacity: 3.7 V/500mAh(Charging box can
charge headphones more than 3 times)
Safety precautions:
This product contains a built-in battery. It is not appropriate to
expose the product to strong sunlight and fire sources. Do not place
the equipment in an environment where the temperature is too
high(above 45 degrees Celsius) or too low(below 0 degrees Celsius).
Because it can cause serious damage to the equipment.
Operation exception handling method:
(1) Due to improper operation or long-term blocking of the
headphone signal, resulting in a headphone without sound, please
try to move to the range of acceptable signals to restore normal.
(2) If the failure is caused by unknown reasons, the ear machine will
be rebooted for use.
(3) If the replacement of a single product or misoperation causes