HUHD B2S Technical manual

B2
B2S
Operation Instruction Of Bone Conduction Headset

1, Characteristics introduction
The headset employs the design thoughts of bone
conduction headset’s principal and characteristics,
hidden rear- hang microphone and open ears. Meanwhile,
you can listen to or control music wirelessly- adjust the
volume and change music(last or next). The voice
communication employs echo removel process to ensure
clear communication. The headset allows automatic
change of music and communication. Employing bone
conduction method to transfer sound not only can protect
hearing and eardrum, but also enables you to gain outside
sound at the same time. It is suitable to be used in outdoor
environment.
Operation Instruction Of Bone Conduction Headset
B2S

3.1), Under closing statues, press multi- function button
for 3 seconds to launch it and the headset will
automatically enter into matching model, with sparkling
red and blue lights alternatively; under opening statues,
press the button for 3 seconds to close it.
3.2), Find the Bluetooth equipment menu on your mobile
phone or the equipment with Bluetooth function and
search Bluetooth equipment.
3, Operation and usage
(with mobile phone as example)
3.3), When you see the new equipment B2S, confirm the
matching. After successfully matching, the blue light of
the headset will sparkle two times fast.
2, Port functions
2.1), Work indicating lamp
2.2), Play/ stop/ multi- function button
2.3), Microphone port
2.4), Microphone port
2.5), USB micro- charging port
2.6), Volume/ select

3.4), When you receiving a call, the blue light will sparkle
fast and the headset will have prompt tone for call
receiving. Press multi- function button shortly to pick the
call and then press the button to end the call. Press the
button for 2 seconds can reject 2 seconds.
3.5), Under music play model, the blue light will sparkle
slowly, and the multi- function button is used to play and
stop and music. Shortly press volume-/ last button, the
volume will decrease for a level and press volume-/ last
button for long time can change to last music. Shortly
press volume+/ next button, the volume will decrease for
a level and press volume+/ next button for long time can
change to next music.
3.7), When you having other calls when having
communication, shortly press multi- function button for 1
time to end the existing call and pick other calls; press
the button for 2 seconds to reject other calls; and press
2 times multi- function button continually can keep the
existing call and pick other calls at the same time- press
2 times multi- function button continually to change
communication.
3.6), When you having call, the music will be mute and
the prompt tone for call will be produced. Shortly press
multi- function button to pick the call. Shortly press
volume-/ last button to decrease the volume for a level
and volume+/ next button to increase the volume for a
level. Then, after shortly pressing multi- function button
to end the call, the music play will be recovered
automatically.

4, Matters needing attention
4.2), Hang the headset back
your neck and the bone
conduction loudspeaker
shall cling to the jawbone
before ear, instead of out
the earhole on the ear.
4.1), For first time usage (or after long- time nonuse),
please use the auxiliary USB- USB micro- charging cable
to charge the headset for 2 hours. The red light will light
when charging and the blue light will light after finishing
charging. 2 hours charging is required for normal usage
(notices: do not use the headset when charging).
4.3), Under standby statues, shortly press play/ stop
button for 2 times, the headset will automatically call the
number of your last call. Under calling statues, press the
button for 2 seconds, the call will be canceled.
4.4), For two communication statues- one current
communication and one kept communication, shortly
press the multi- function button to end current
communication and pick the kept communication.
4.5), If your mobile phone cannot find the headset B2S in
1 minute, please place the headset close to the mobile
phone, and re- launch the headset and re- search.
4.6), The Bluetooth specification only works under
equipment supporting (mobile phone/ MP3). See usage
menu of the equipment for details.

5, Packing accessories
Headset– 1PCS
USB cable–----------------------------- 1PCS
Instruction book–---------------------- 1PCS
Packaging Box------------------------- 1PCS
Earpiece -------------------------------- 1SET
--------------------------------
6, Specifications and parameters
Battery type: 185mAh polymer
Play time: about 6 hours
Charging time: about 2 hours
Horn type: bone conduction loudspeaker
Frequency range: 100Hz- 18KHz
Sound pressure level: 88dB
Microphone: -42dB
USB cable: 40cm
4.7), If it is prompted to input password when matching,
please input 0000.
4.8), It is suggested to charge the headset a time a
month for long term nonuse to keep the service life of
the battery.
4.9), When the equipment connection distance exceeds
the effective distance of (10m) the connection
between headset and equipment will be cut.
After then, once their distance be in effective distance,
the connection will be set automatically. If the cut time of
the connection between headset and equipment is longer
(more than 5 minutes), the headset will close
automatically.
* For a better product experience, it is recommended that the
device such as a mobile phone is placed on the right side of
your body.

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:
-
-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
Reorient or relocate the receiving antenna.
Changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to
operate the equipment.
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.
FCC ID: 2AUM8-B2S