User Manual

Specification & User Manual
Button illustration
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(1).VOL+
(2).Multi-function button
(3).VOL-
(4). MIC
(5).USB port
(6).LED
Basic Specification
Product size: 48*40*32mm
Weight：22.6g（spare unit without
packaging and accessories: 11.3g）
Working Voltage：3.7 V
Low power indication：3.4 V
Working time：about 5 hours
Charging voltage：DC 5 V
Charging port：MICRO USB port
Charging time：1-2 hours
Charging current：100mA
Period for auto-shut-off without
connection：5 minutes
Multi-point connection：Support one
earphone to connect two cell phones at
the same time
APP extension function：Optical（Smart
device should install APP first）
Operation steps
①Turn on L and R unit seperately .
②Double click VOL + on both L and R
units,then Red and Blue light glitters in
turn,which indicates the enters into TWS
searching mode. The Blue light will glitter
after L and R units get paired
successfully(If TWS headset have
already connected with each other one
time,then it’s no need to repeat the this
step 2 to re-connect them. As long as L
and R unit is turn on,this TWS(L&R) can
come into connection automatically.
③Turn off eight L or R unit then turn on
again,make it to pair with cellphone.
Operation
Power on：Press and hold multi-function
button on both L
and R unit till blue light is
on.
Power off：Press and hold multi-function
button on L or R unit till red light is
off,then L and R units will be turn off at
the same time.
Pairing：In power-off mode,press and
hold multi-function button for 6-8s till Red
and blue light glitters in turn.
TWS connection：Turn on L and R units,
double click VOL+ button on both L and R
unit,red and blue light glitters in
turn,which indicates the TWS comes into
search mode. Blue light will glitter after
successful connection.
Volume adjustment: Click VOL+ on L or R
unit,volume will be increased;
Click VOL+ on L or R unit,volume
will be increased;
Skip Songs: Press and hold the VOL-
button on L or R unit for long to previous
song, then press and hold the VOL+
button on L or R unit for long to next
song.
LED indication
Low power caution：red light blinks
Charging：Red light is firmly on
Charging completed: Blue light blinks.
Bluetooth connected：Blue light blinks
twice per second
Bluetooth disconnected: Blue light blinks
twice per 2 seconds.
Bluetooth Pairing: Red and blue light
blinks in turn.
Voice prompt（Optional）
POWER ON：
POWER OFF：
Connected：
Pairing：
Battery Low:
Pause/Play: Click multi-fuction button on
L or R unit to pause the music,then click
this button again to play the music.
Answer/End phone call: Click
multi-fuction button
Reject phone call: Press and hold
multi-function button for 1-2S
Phone mute: ：during phone
conversation,click VOL+ and VOL- button
at the same time to start or close mute
function.
Redial last dialed number: Double click
multi-function button to dial last dialed
number.
Battery power checking: In standby
mode,click VOL+ or VOL-button on L unit
or R unit.
APP Extended function（Optional）
Photo-taking：In APP mode,click
multi-function button
Kind Attention:
Phone conversation will be go through on
one side (eight L unit or R unit,which was
connected with cell phone)

Sensitivity：-42±3d
Components
1.Bluetooth
2.MIC
Battery Spec：3.7V 95mAh polymer
lithium battery
Battery size：5*12*20mm
Battery lifetime：300 times（
!"#$%）
3.Battery
Diameter：'<==
Resistance：
Rated power：10mW (Max:15mW)
Frequency response：200Hz～10KHz；
Sensitivity：104dB±3dB
4.Speaker
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Bluetooth IC
Bluetooth Version
Profile
RFcarrier frequency
Receiving distance/range
CSR 64210
4.1
A2DP AVRCP HSP HFP
2402~2480MHz
360° 10 meters
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Accessories
Charging cable: Micro USB cable
Silicon eartips: Large、 small
Power bank：（optional）
Working usage
Working temperature： -5～45℃。
Storage temperatuer：-20～70℃
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⑴ ⑵ ⑶
⑸⑷
⑹
Wireless Stereo Headphone
DA144
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.
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
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.
Changes or modifications not expressly approved by
the party responsible for compliance could void the
user’s authority to operate the equipment.
FCC Radiation Exposure Statement
This device complies with FCC RF radiation exposure
limits set forth for an uncontrolled environment.
This transmitter must not be co-located or operating in
conjunction with any other antenna or transmitter.
FCC Statement
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