Specifications

Overview of button functions
Wearing instruction
Bone conduction wireless headset
Bone conduction wireless headset
As shawn,hang the earphones behind your neck while the speaker is attached
to the cheekbones in front of your ears,rather than on your ears.
Charging method
Use a standard Micro USB charging cable (included with the package) to connect
the headset to your personal computer or USB charger
You can charge it. It can be fully charged in about 2.5 hours. When charging, the
LED indicator is red, and the red light is off.
note:
1. Because the battery may lose power during storage, it is recommended to charge
the headset before using it for the first time.
2. The headset cannot be used during charging.
3. If not used for a long time, it is recommended to charge it once a month to maintain
battery life.
4. If the headset is not connected for more than 5 minutes, the headset will
automatically shut down.
5. Recommended charger specifications, output voltage: DC5V +/- 0.25V, output
current: 100mA-500mA
Charger and battery
Charger and battery
Before using any charger to charge the headset, please check whether the
specifications of the charger meet the requirements (recommended charger the output
voltage is: DC5V +/- 0.25V, the output current is: 100mA-500mA),the charging voltage
is extremely high and it is possible.Can damage Bluetooth headset.
WARNING: Only use chargers approved with this accessory. Use of other types of
chargers may violate approval and warranty terms, and may cause danger, if the
factory is shipped with a charging cable, you need to connect a 3C certifie Charger or
computer. It is forbidden to severely collide with this product. Serious impact may
damage the electronic motherboard and battery.
Charge the battery
This headset uses a built-in non-removable rechargeable battery. Do not attempt to
remove the battery from the headset, as it may damage the headset.When you are not
using the headset, store it in a dry and ventilated place and charge it every two months.
1.When the connected headset flashes red and you hear a low battery sound, it means
that the headset is low on power. If you continue to work it will automatically shut down.
At this time, you need to charge. Plug the charger's cable into the headphone jack.
2.Plug the charger into an AC power outlet.
3.The red indicator light is on when charging. If charging does not start, disconnect
the power supply from the headset, then plug it back into the headset and try again.
When the battery is fully charged, the red light goes out and the blue light is always on.
At this time, disconnect the charger from the power socket and headphones.
4.When the battery is fully charged, it can provide a standard time of about 5 hours and
10 days standby time. However, the actual call time and standby time may be different
from that of the mobile phone, usage settings, usage methods and environment.
Basic information
Basic operating function
Basic
Information
Brand
/
Model
B9
Appearance size
135x93x48mm(reference)
Equipment weight
33g
Appearance matching
Black
/
Gray
Waterproof grade
Hardware
parameters
Film
set
Main chip
Qualcomm V5.0 BT chip
Frequency interruption ISM
Band (2.402-2.480GHZ)
Transmitting power
Class2 (-6dbm-4dbm)
Maximum output power 8mW
Rated output power
5mW
antenna
Bluetooth distance
8~10M
Bluetooth antenna Built-in
Physical buttons
2 One (left and right buttons)
link
Bluetooth protocol A2DPv1.3 AVRCPv1.6 HFPv1.7 HSPv1.2 SPPv1.2 SPPv1.2
Bluetooth version
BT V5.0
Acoustic
MIC
MIC 4015 Strong anti-interference zone M IC Se t -4 2d B± 3d B
horn
Bone conduction horn， Sensitivity 88+/-3 db
power
supply
Battery type
Rechargeable polymer lithium batter y capacity 180mAh
working voltage
3.7V
input voltage
DC-5V 1.1A
Charging time
2.5h
Standby time
10Days
Play time
5h
interface USB USB Charging Cable
Structu ral
paramet er
shell
Upper shell
Injection PC+ABS Spray paint
Lower shell
Horn cover Silica gel
Headban d
Memory wire
Memory wire (nickel-titanium all oy w ir e)
● First boot pairing:
In the off state, press and hold the right button for 3 seconds, the headset will
flash blue and red alternately. At this time, the headset enters the automatic
Bluetooth pairing mode. The headset prompts music and is equipped with a voice
prompt "Powering up". Open the smart device such as a mobile phone, find "B9"
from the Bluetooth list, and click Connect. After confirming the connection, the
headset voice prompts "Bluetooth Paired Successfully".
● Boot headset:
In the off state, press and hold the right button for 3 seconds, the blue light
is on, and the “Powering up” prompt sounds, the headset automatically enters
the Bluetooth connection mode, and the headset will automatically connect to
the confirmed smart device with a prompt "Bluetooth Paired Successfully".
● Turn off the headset:
In the power-on state, press and hold the right button for 3 seconds until you
see a red light flashing, accompanied by a “Bluetooth is preparing to Shut
down” prompt.
● Answer the call:
When a call comes in, click the left or right button to complete the answer.
● Hang up the phone:
During the call, click the left or right button to complete the answer.
● Rejected call:
When a call comes in, press and hold the left or right button for 2 seconds
to complete the rejection.
● Disconnect and reconnect:
The headset is disconnected from the phone, and a “Beep”prompt sounds.
At this time, you can reconnect the phone with a short press of the on / off key,
accompanied by a “Bluetooth Paired Successfully ”prompt.
● Chinese and English switching:
Bluetooth search status, press the left and right buttons together immediately.
When the prompt tone "beep" is heard, the switch is successful.
● Play music:
When in standby, click the left and right buttons to operate the player
on the phone.
● Music pause:
When playing music, click the left and right buttons to operate the player
on the phone.
● Volume Plus
Double-click the right button in the music and call state, the volume will be
increased by one bar, and the maximum volume will be accompanied by
a sound " Beep ".
● Volume reduction
Double-click the left button in music and call mode to decrease the volume
by one space.
● Previous song
Quickly tap the left button 3 times while playing music to play the previous song.
● Next song
Quickly in the music state 3 Right-click to play the next song.
● Restore factory settings:
When Bluetooth is connected, press and hold the left and right keys for 3
seconds, and the red light flashes for 3 consecutive times, indicating that the
factory settings are restored.
● Headphone charging
The headset is charged through the specified USB charging line. When
charging, the LED indicator light is red and on for a long time, and the blue light
is always on after full charge.
● Low battery voltage
The red light is always on, accompanied by a beep sound.
Storage and maintenance
Package contents
● Store the Bluetooth headset in a cool, dry place. Operating temperature is
0 ~ 45 ° C (32-113 ° F). Working in cold / hot loop mirrors or highly humid
places can reduce batter y life.
● After long-term storage, please charge before using.
● The Bluetooth headset is water-resistant, but not completely waterproof. It
cannot be put into water for a long time and cannot be submerged. If there
are water drops on the earphone, wipe it with a clean soft cloth.
● Use a soft, dry cloth to clean the headphones.
● Do not touch any sharp objects to the headset.
● Do not place the headset under an extremely hot or cold ambient mirror.
● Do not charge the headset in a humid environment.
Note:
Design and specifications are subject to change without notice.
LED light tips
Steady red: charging
Red light off : complete charging
Blue and red blink alternately: pairing mode
Slow blue flashing: connected / playing music
Fast blue blinking: Incoming / calling
Headset Earplugs Instructions USB
charging cable
(USB to Micro)
(With warranty
card certificate)
Common problems and their solutions
Problem Description
Cause
Problem solving
No Boot
dead battery
Just charge it with the charger
Long press of the power
button is too short
Press the key to restart
Not Charging
The charging plug is not
plugged in properly
Reinsert the charging plug
Misuse of the headset program error
Just use the charger to reset
Search failed or
pairing failed
The headset does not
enter the pairing state
Put the headset into pairing state
Phone Bluetooth application error
Turn off the phone and restart the pairing
Product warranty
Product Brand
Product Number B9
Purchase Date
Contact Number
Contact Address
E-mail
Buying channel
：
：
：
：
：
：
：
Warranty clause
1. When the user purchases the machine, a manual and warranty card are
attached. The user shall fill in the form and keep it properly as the
warranty certificate.
2. From the date of purchase, if the headset has problems in normal use with
in one year, the cardholder can enjoy the warranty service free of charge.
The following are not covered by warranty:
A. the warranty card is not signed or sealed by the sales unit;
B damage caused by man or force majeure;
C. normal wear of the machine;
3. We will charge the maintenance cost if it is caused by human behavior,
beyond the valid warranty period and force majeure.
4. please contact our company in case of product failure and need to return to
the factory for warranty. And fill in the specific name, address, telephone
number andThe fault is present.
Manufacturing products:
Address:
Telephone:
Website:
No Boot
Injection PC+ABS Spray paint
B9
IP 55
● Voice assistant
When connected, press and hold the left key for 2 seconds to enter the
voice assistant.
Left button
USB charging port
Charging indicator
Right button