*1 Theoretical value. Transmit range is also affected by the Bluetooth capability of the
target device and the conditions of the surrounding environment.
*2 It is not possible to connect to another device when using an audio file and phone file
simultaneously.
*3 When there is a long distance between this unit and Bluetooth device, the power
consumption for each will increase resulting in shorter available time.
Please ensure that the device's Bluetooth functions can be used. If pairing mode
cuts off due to time out, it is necessary to perform the settings again.
Confirm that the device supports the profiles used by this product.
Try finitely adjusting the position of the microphone in the control box.
Adjust the microphone output level on your mobile phone or device.
LBT-AR120
0000 (Four zeros)
Multi-function button
This button turns the power ON/OFF, as well as performs the
functions listed below:
Power ON/Pairing
Power OFF
When power is ON, press and hold for 4 seconds or more.
Volume button, play/pause button
LED lamp
Earphone jack
Insert your stereo earphones into this jack when using.
When charging, insert the pin side of the included USB
charging cable into the main unit and the other side (USB
Type-A) to the PC or AC adapter.
Microphone
Clip
Insert your earphones into the
earphone jack when using.
Earphones are not included with this
product.
Function/Status
Operation
LED display
Power ON
When the power is OFF, press and hold the multi-function
button for 4 seconds or more
Blinks purple and red
once
Power OFF
When the power is ON, press and hold the multi-function
button for 4 seconds or more
Blinks purple
Charging
-
Lights red
Charging complete
-
Light is off
Not enough charge in
battery
-
LED blinks red 3 times
every 30 seconds
Pairing mode
When the power is OFF, press and hold the multi-function
button for 8 seconds or more
Alternately blinking red
and blue
Volume adjustment
Press the (+) or (-) side of the volume button
-
Pause/mute
Press the play/pause button once
-
Track skip forward/
track skip reverse
Press the
or
side of the volume button
-
Fast-forward/reverse
Press and hold the
or
side of the volume button
for 2 seconds or more
Answer call
Press the multi-function button once, shortly.
-
Reject a call
Press and hold the multi-function button for 2 seconds or
more
LED blinks red and
purple, then goes out
Hang up phone
Press the multi-function button once, shortly.
-
Redial
Press the multi-function button twice
Blinks purple once
Article No.
LBT-AR120 series
Carrier Signal
2.400 - 2.480 GHz
Bluetooth Specifications
Bluetooth 2.1 + EDR
Frequency diffusion method
Class 2 FHSS (Frequency Hopping Spread Spectrum)
Transmit range
Class 2 Max. radius 10 m (if unobstructed) *1
Supported Profiles
A2DP (Advanced Audio Distribution Profile)*2, AVRCP
(Audio/Video Remote Control Profile)*2, HSP (Headset
Profile)*2, HFP (Heads-free Profile)*2
SCMS-T
8
Max. no. of pairing devices
Pattern antenna
Continuous standby time
Max. 200 hrs. *3
Music playback/conversation time
Approx. 6 hrs. *3
Environment
conditions
When
operating
Temperature
Relative humidity
0 - 35°C
20 - 80% (no condensation)
When
storing
Temperature
Relative humidity
-10 - +50°C
10 - 90% (no condensation)
Input voltage
5 VDC (supplied by USB charging cable)
Battery type
Lithium polymer battery
External dimensions (W x H x D)
21 x 13 x 55 mm (Excl. protrusions)
Weight
Approx. 13 g
Bluetooth audio receiver
for music and conversation
Supports Bluetooth 2.1 + EDR
LBT-AR120 series
User's Manual
Thank you for purchasing this quality Elecom product.
Store this manual carefully in a place where it can be easily accessed at any time.
Product features
This product is a Bluetooth audio receiver.
Connect your earphones to this product to enjoy wireless music listening through your
Bluetooth-equipped smartphone, mobile phone or audio player.
Or, enjoy hands free conversation on your smartphone or mobile phone via the built-in
microphone.
Package Contents
Audio receiver main unit x 1 unit
USB charging cable x 1
User's Manual (Warranty) (This document) x 1 sheet
Part Names
Charging
This product must be charged before use. Perform charging by connecting the included
USB cable to a PC, USB AC adapter or other USB power source.
Connect the included USB charging cable to the earphone jack on this unit.
Connect the USB A connector of the USB charging cable to the USB ports
of your PC, etc.
If the PC is not plugged into a power supply, plug it in.
Pairing
(Registering with the device)
To use this product with a mobile phone or audio player, it is required to perform pairing
(registering the device for the first time) with the device with which you want to use.
Please refer to the manual of your device for information regarding the operation of the
device.
The LED lamp lights up red and charging begins. LED lamp turns off when
charging is complete.
Basic Operation
Basic Specifications
Due to interference, it may sometimes not be possible to use in combination
with a 2.4 GHz band wireless LAN (IEEE802.11g/b/n).
It is not guaranteed that all Bluetooth devices will work with this product.
Troubleshooting
With some mobile phones if there is a silence during conversation that is longer than
approx. 20 seconds, the phone will automatically go into power saving mode and the
earphone jack will turn off sound input/output. Because of this, sound may sometimes
turn off during conversation.
If this occurs, press the multi-function button on this product to take the phone out of
power saving mode.
No voice heard during phone conversation
This product does not have any power.
Always ensure that the battery for this product is fully charged.
If the battery is not fully charged, charge it.
Line noise or echoes can be heard.
Try adjusting the distance between this product and the paired device. Also try
adjusting the volume, etc.
When a call is received on the mobile phone, even when the
multi-function button is pressed it does not answer the call.
With some mobiles phones, it may be necessary to press the multi-function button
several times before the conversation will start. If the phone will not answer after
pressing the multi-function button once, try pressing it several times.
Your conversation partner cannot hear your voice.
With some mobile phones it is necessary to manually set the microphone input settings
to ON. If the microphone input is turned OFF, your conversation partner will not be able
to hear your voice spoken from the headset microphone.
Cannot hear the sound of audio files
Bluetooth audio playback does not support certain web content and file types. Contact
the site from which you downloaded the audio file.
Headset does not work when placing a call.
When placing a call on your mobile phone, it is necessary to switch operation from this
product to the Bluetooth headset. Please refer to the manual of your mobile phone for
information on how to perform this.
After using with a different mobile phone, it is
necessary to perform pairing again
Depending on your mobile phone or other device, after using the paired headset with
another phone or device, it may be necessary to perform pairing again.
Your own voice is too quiet
Cannot hear any audio on movies/video except for One Seg
Depending on your device specifications, Bluetooth may not support audio playback of
downloaded promotional videos, etc.
The phone immediately goes to voice mail when an
incoming call is received.
If the phone is set to go to voicemail after a short time, the voicemail will kick in before
the call is forwarded to this product. If this occurs, set your phone to wait for a longer
time before a call goes to voicemail service.
Cannot perform pairing with a Bluetooth device.
Because of digital copyright protection, it cannot be played on a digital Bluetooth headset.
Cannot hear audio on PV downloaded on your mobile phone
Supports AVRCP protocol. Control features like pause/play and volume adjustment of
your smartphone or audio player from this product.
It takes about 2 hours to fully charge this product.
If the LED lamp has not turned off after 2 hours, immediately disconnect the charging
cable and stop charging.
Charging for more than two hours can shorten the battery life and may lead to device
failure.
Bluetooth audio receiver
for music and conversation
This product connects to a device using Bluetooth. Pairing registration must be performed
before using this product with the intended device (smartphone/audio player, etc.).
Necessary information when connecting:
Product device name when detected in a search from a mobile device:
Link Key:
* Link Key entry is required when connecting to devices using Bluetooth 2.0 or earlier.
Important Notice
The included USB charging cable is meant for use with this product ONLY. Do not use
this cable for any purpose other than charging this product. Although the connector type
may be the same, differences in electrical poles and output may cause damage. Similarly,
do not use the charging cable included with another product to charge this product.
If connecting a mobile phone to this product to use as an audio player, the mobile
phone must support Bluetooth audio profile (A2DP).
If pairing cannot be completed due to problems such as a setting on the
connection device, turn off the power once, and try again.
With the power turned OFF, press and hold the
multi-function button for 8 seconds or more, until the LED lamps begins
blinking red and blue.
When pressing and holding the button for 8 seconds, the LED lamp will display as
Blinks purple and red once
(Power ON)
Blinks red and blue
(Pairing mode)
If the paired devices are close by, you can remove your finger from the button as
soon as power turns ON.
Perform a search for this product from the pairing device (mobile phone, PC,
etc.)
Search method varies depending on the device your are using. Refer to the
manual of your device.
When this product is found from the mobile phone or PC, the device name
will be displayed as [LBT-AR120] in the search screen. Select and register.
If a message appears prompting you to enter a link key, enter [0000] (four
zeros).
Depending on the (Bluetooth 2.1) device, registration may complete without
having to enter a link key.
Depending on the device, it may be necessary to perform a [Connection]
procedure after pairing is completed. Please refer to the manual of your
mobile device for information, and perform a [Connection] procedure if
necessary.
[Charging connection]
PC
To PC USB port
Connect to your PC
or USB AC adapter
and charge.
Lights red when charging.
Light turns off when charging is
complete.
Main unit
Your USB AC Adapter
Not included with this product
To AC wall outlet
Series A
connector
Charging
connector
USB charging cable
Power ON/OFF
Press and hold the multi-function button on this device for approx. 4 seconds until the
LED light blinks purple and red one time. The headset will automatically connect to any
devices in range on which pairing has already been performed. If no paired devices can
be found, the LED blinks red.
Press and hold the multi-function button of this product for 4 seconds or more.
The LED lamp blinks red and turns off, indicating the power is now OFF.
Power ON
Power OFF
Listening to music
Adjusting the volume
Perform with the volume button on this product. Press the (+) side to increase the
volume, and the (-) side to decrease the volume.
Pause/mute
Track skip forward ( ) / Track skip reverse ( ) *
Perform with the play/pause button on this product.
When playing music, press the play/pause button to pause or mute the music. When
paired with a device that supports AVRCP profile, this will pause the music on the
connected device as well.
Perform track skip forward and track skip reverse with the volume button on this product.
When music is playing or paused, press the ( ) side of the button to skip to the next
track, or the ( ) side of the button to skip back to the previous track.
* Depending on the connected device, this function may not work as specified.
Making a call on a mobile phone, etc.
Function list
This product features a microphone on the upper part of the main unit.
Depending on the device specifications, your mobile phone may behave in a
different manner than described in relation to the operation of this product.
Receiving a call
If you hear a ringtone in your earphone, press the multi-function button.
Depending on the device specifications, ringtones may not be heard on the Bluetooth
headset.
Placing a call
To place an arbitrary call, after dialling the recipient number switch the sound output
setting.
* Refer to the manual of your mobile phone for information of switching the sound
output setting.
When using iPhone 4
After the call, change the sound output setting to LBT-AR120 (the device name for
this product).
Example: Android
After calling, press the onscreen "Bluetooth" button.
Hanging up the call
When in conversation, press the multi-function button once.