Quick Start Guide

WIRELESS EARPHONES
WIRELESS EARPHONE
Bluetooth version: B.T.4.2
Bluetooth chipset: WT200
Support bluetooth profiles: A2DP, AVRCP, HFP
Frequency used: 2.4GHz (2400MHz to 2480MHz)
Operating distance: about 10 m line of sight
Operate voltage :3.7V
Battery: 80MAH
Charging time: about 2 hours
Charging current: 100MA
Playing time: up to 6 hours (middle volume)
Talking time: up to 6 hours
Driver:10mm
Sensitivity: 95dB/1mW (S.P.L at 1KHz)
Impedance: 16Ω
Frequency Range: 20Hz - 20kHz
Rated Power: 1.5mw
Max. Power: 10mw
ADD:
No.35,the 2nd Industrial Zone,Tangxiayong Village,Songgang
Town,Bao'an District,Shenzhen,China.
63.5mm
90mm
Accessories
ManualS/M/L Ear tips
USB Cable
Earphone
Accessories
M
anual
USB Cable
Copyright 2019 ITFIT All rights reserved
Specifications
1. Depressed “MFB” for 5S or more to enter the pairing mode.
LED indicator’s flashing blue and red.
If pairing is not completed within about 5 minutes, the power
will automatically turn off.
2. Click the pairing name “ITFIT-A08C on your device, and connect it .
3. Pairing successful : LED indicator ashes blue at the intervals
of 3S. The PIN code for these wireless earphone has been factory
set at “0000. Input this code if requested by the bluetooth device.
ITFIT-A08B
Matching OK
1
2 3
To use the bluetooth earphone to listen to music form a bluetooth
device, you must first perform pairing with the bluetooth device
using the A2DP audio profile.
Bluetooth Pairing
Playing Music
When sound volume is set to maximum or minimum levels a beep
sound will be produced from the bluetooth earphone.
Depending on the specications of the connected bluetooth
device, the controls noted above and controls on the bluetooth
device may not be supported.
Charging the Batteries
The unit’s battery must be recharged before use.
Connect the appropriate connector on the micro-USB cable to the
micro-USB port on the headphones, and the USB plug on the other
end to a USB port on a computer or AC adapter.
Functions Status of headset Operation
Redial Last number Standby mode
Short press MFB
twice quickly
Volume up Conversation mode
Press once “
+button
Press onc
e “-button
Volume down Conversation mode
Answer call Ringing Short press “MFB
End call Calling Short press “MFB
When recharging begins, the LED indicator on the headphones
will light red. Full recharging requires about 2H.
When recharging is completed, the LED indicator will light blue.
When the battery’s charge is approaching depletion, a beep sound
will be heard in the headphones at one-minute intervals.
Phone calls operation
Reject calling Ringing
Press and hold
MFB for 2S
Battery recharging time and usable battery time may vary depe
n
-ding on ambient temperature and frequency of use.
Do not place metal objects near the headphones’ charging contact
s,
since dangerous electrical shorts or abnormal heating may resu
lt.
Please don’t attempt to change the rechargeable lithium Batter
y
that should last the life time of the device.
Please turn off your headset after your usage to get a longe
r
battery life. Not all the mobile phones support all the function
s
listed above. Please refer to the instruction of your mobile phon
e.
Some functions and indication tones may vary with mobile phone
s.
Note
!
Problem desc
ription
Power won’t turn on
The batteries can’t
not charge when use
computer or AC adaptor
f
or charging
Remedy
Can’t p
erform pairing
Can’t perform bluetooth
connection
No sound
when playing
music
Troubleshooting
Sound is distorted
when playing music
Can’t use the hands
free operation
Communication distance
is short, sound is garb
led.
Check that no other devices utilizing the
2
.4GHz wavelength(including microwave
ovens, wireless radios, etc.) are nearby
.
and that no obstructions bloc
k the signal
path.
bluetooth device).
Check that no other devices utilizing the
2.4GHz wavelength are nearby, and that
no obstructions blac
k the signal path.
Conrm that bluetooth earphone and
bluetooth device ar
e connected using the
prole HFP or HSP. If connection that to the
bluetooth device is in prole A2DP, it may be
necessary to change connection proles
(depending on the specications of the
Rec
harge the bluetooth earphone
Confirm that computer is ON or NOT.
Confirm that computer is not in power
saving mode.
Confirm the micro-USB cable is securely
connected to both the bluetooth earphone
and computer/ AC adaptor.
Play
the bluetooth earphone and bluetooth
devic
e closely together when performing
pairing
Confirm that power is turned on for b
oth
bluetooth earphone a
nd bluetooth device.
Confirm that bluetooth function is turned
ON in the device you are connecting to.
Confirm that power is turned on for both
bluetooth earphone a
nd bluetooth device.
Confirm that connec
tion with bluetooth
device is set for profile A2DP.
Confirm that the connected music playback
device is set for PLAY.
C
onfirm that sound volume controls on
both bluetooth earphone and music
playbac
k device are set to appropriate
levels.
Press and hold: Advance
to next track
Press once: Decrease
volume
Press and hold: Return to
previous track
Play / pause
Press once: Increase
volume
.
2. If you already connected with a device, you only need to power
on the bluetooth earphone by depress the “MFB” for 3S, then
will automatically connect.
To connect with others, depress the “MFB” by 5S or more to en
-ter pairing mode, then search the pairing name on your devic
Disconnecting from the bluetooth device by holding the “MFB”
depressed for about 5S to turn off the power.
3. If the pairing is not successful, please switch off headset rstly
and then re-pair again.
4.Only one device can be connected at a time.
1.
MFB
Pairing mode on: Press a
nd hold untill LED
flashes red and blue.
Power of
f: Press and hold untill flashing LED off
Re-start: Press a
nd hold untill LED flashes red
and blue(Af
ter without any operations for 5S)
e
they
Quick Start Guide
FCC Statement
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.
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.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

Summary of content (1 pages)