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• Headset x1
• User's Manual (this document) x1

Use this product to enjoy wireless audio playback capability on your Bluetooth-equipped 
smartphone or mobile phone. Furthermore, a microphone is also incorporated allowing you to 
use this product as a headset for hands-free communications. Bluetooth 2.1 + EDR support 
simplifies pairing with other devices that support the standard.

Equipped with an integrated microphone for hands-free conversation when connected to a 
compatible smartphone or mobile phone. Easily handle unexpected calls during busy times, 
and avoid missed calls. 

A connected player (AVRCP compatible) can be controlled using the headset buttons. This makes 
it possible to track skip forward, track skip reverse, and adjust volume without operating the player.

This sure-fit neck band type headset features an IPX4 level splash-resistant design that makes 
it very resistant to sweat and rain, and perfect for enjoying music while running or exercising.

• USB charging cable x1

3

Right

Left

1

4

2

5

 

Multi-function button

 

Charging connector

 

Phone mic

 

LED lamp

 

Track skip forward / 

     Track skip reverse

Play/pause

Pairing
(registration of device)

Power ON 

Press and hold for approx. 3 seconds, the LED lamp blinks blue and the 
power turns ON.

Use for establishing connections or to toggle a connected device between 
play and pause. 

 

When the power is turned ON, the headset will attempt to connect to any 
paired devices within range. Depending on the device and how it is 
operated, the headset or the destination device may need to be connected.

 

After connection is established, the status of the headset can be checked 
using the LED lamp. Please refer to the Function list.

 

If no paired devices are in range, perform a pairing operation with a new 
device.

Power OFF

When the power is turned ON, press and hold for 3 seconds. The LED 
blinks red and the power will turn OFF. 

When the power is turned OFF, press and hold for at least 5 seconds to 
switch to pairing mode (able to be searched/detected from mobile devices, 
etc.). When in pairing mode, the LED lamp alternately blinks red and blue.

Play/pause music. Play/pause music when connected to a device that 
supports AVRCP remote control functions. Serves as a mute button when 
connected to a device without AVRCP capability. 

When the headset is connected with a device that supports AVRCP (remote 
control function), holding down the minus side for two seconds performs track skip 
forward. Holding down the plus side for two seconds performs track skip reverse.

Press the plus side to increase volume. Press the minus side to decrease 
volume.

The LED lamp indicates power and device status.
Please refer to the Function list.

Connect with the included USB charging cable to charge the headset. To 
maintain splash-resistance, be sure to fasten the cap in place before 
using the headsets.

A microphone for use in phone conversation when connected with 
Hands-Free Profile or Profile.

 

Volume button

Wearing the Headset

Wear the headset so the left and right channel arms rests 
between your ears and head.
Incorrectly wearing the headset can cause it to come off 
during vigorous exercise.

S T E P

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Blinks blue

several times

Flashes red and blue

alternately

(for approx. 3 secs. 

after power turns ON) 

(for approx. 5 secs. 

after pairing mode is entered)

The search method varies depending on the device you are using. Please refer to the
manual included with your device for information regarding the operation of that device.

S T E P

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Basic Operation

Power ON/OFF

Listening to Music

Volume adjustment

Adjust the volume by pressing the Volume button quickly. Pressing [+] increases volume,
while pressing [-] decreases volume.

Play/Pause/Mute

Perform with the Play/Pause button.
Press the Play/Pause button to pause the music that is currently playing.
If the device is not AVRCP-capable, this becomes a mute function.

Track skip forward/Track skip reverse

Hold down the Volume button for about two seconds to perform track skip forward
or track skip reverse.
Holding down [-] performs track skip forward, while holding down [+] performs
track skip reverse.
* Depending on the connected device, some functions may not work as specified.

Making a Call on a Mobile Phone, etc.

Receiving a call 

Placing a call 

For iPhone 4
After the call, change the sound output setting to LBT-NB02 (the device name for this product).
For Android
After the call, press the Menu button and then press the Bluetooth button.

Refer to the manual of your mobile phone for information of switching the sound output setting. 

Hanging up

When in a call, press the Multi-function button once to hang up.

Voice Conversation Using a PC

Continue in the background

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Charging

This product must be charged before use.

USB charging cable

Connect to a commercially available
USB-AC adapter or a computer USB port.

To AC wall outlet

The LED lamp lights red during charging,
and turns off when charging is complete.

Connect to the charging
connector of this product.

Important Notice

Names and Functions of Individual Parts

Part Names

Controls

Hold down the Volume button

for about two seconds.

Press the Volume button quickly.

Press the Multi-function button quickly.

Press the Multi-function button
when you hear the ringtone.

Redialling

Press the Multi-function button two times.

User's Manual V01

Product Features

Necessary information when connecting:

Product device name when detected in a search from a mobile device:

LBT-NB02 

Link Key :

0000 (Four zeros)

 * Link Key entry is required when connecting to devices using Bluetooth 2.0 or earlier.

Package Contents

LBT-AVNB02 series

Thank you for purchasing this quality ELECOM product. This manual contains instructions on 
how to use this Bluetooth wireless headset, as well as precautions for safe handling. Ensure 
that you have read this manual before using the product. After reading this manual, store it 
somewhere safe for future reference.

Unless specifically indicated otherwise, all explanations in this manual are based on the 

LBT-NB02. Operation is the same for all models.

Supports Bluetooth 2.1 + EDR

Bluetooth Wireless Headset

Power ON 

Power OFF

Auto-power OFF feature

Press and hold until the LED lamp
blinks blue several times 

(power turns ON in approx. 5 secs.).

Press and hold until the LED lamp
blinks red several times. 

(Power turns OFF in approx. 5 secs.)

Power OFF
Charging
Charging complete

Not enough charge in battery

Pairing mode

Press and hold the Multi-function button for approx. 3 seconds

Blinks red twice every 30 seconds

When the power is off, press and hold the Multi-function button
for approx. 5 seconds

Lights red
Unlit

Blinks red then turns off

Alternately blinking
red and blue

Volume adjustment

Press the Volume button.

-

Pause/Mute

Press the Multi-function button once

-

Track skip forward/reverse

Hold down the Volume button.

-

Answer call

Quickly press the Multi-function button once when phone is ringing.

-

Hang up phone

Quickly press the Multi-function button once when in a call.

-

Redial

Press the Multi-function button two times when in standby

Rapidly blinking blue

Function List

Function/Status

Operation

LED Display

Power ON 

Press and hold the Multi-function button for approx. 3 seconds Blinking blue

Powered ON

Not connected to any devices

Blinks blue once every 3 seconds

Connected to a device

Blinks blue twice every 4 seconds

-

-

This product is intended for connection and use with a Bluetooth-capable device. Pairing 
registration must be performed before using this product with the intended device 
(smartphone/audio player, etc.). 

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. 

To charge the product, connect the included USB cable to a commercially available USB-AC 
adapter, or to the USB power source of a PC that is conducting electrical power.

Allow approx. two hours for charging to complete. If the LED lamp has not turned 
off after two 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.

Pairing (Registering with the device)

In order to use this product with a portable audio player or mobile phone, the device must be 
registered for pairing (an initial registration process with the device). Please refer to the manual 
included with your mobile device for information regarding the operation of that device.

If your device is already paired (registered), all you have to do is turn it on, after that it is hands-free. 
When power is turned ON, the device reconnects automatically. If reconnection does not occur 
automatically, perform a connection from either the headset or the connecting device. 

With the power turned OFF, push and hold the Multi-function button for at 
least 8 seconds. The LED lamp begins to blink red and blue. 

Continue holding down the button, and within the 
next 5 seconds the LED lamp displays as follows:

Search for the headset from the device with which you wish to pair (mobile 
phone, audio player, etc.).

When your mobile phone or portable audio player locates the main unit, the device 
name [LBT-NB02] will appear at the top of the search results screen. Select and 
register this device.
If a message appears prompting you to enter a link key, enter [0000] (four zeros).
* With a Bluetooth 2.1 device, it may be possible to complete registration without the 

need to enter a link key.

The LED lamp will blink blue in a loose pattern when pairing is completed. (Refer 
to the function list for this product for information about the blinking pattern.)

Up to eight sets of pairing information can be stored. Registering a ninth set of pairing 
information will cause the current oldest set to be automatically deleted. If reconnecting to a 
device which was erased from the memory, pairing must be performed again.
A mobile phone must be equipped with a Bluetooth Audio/Video Remote Control Profile 
(A2DP) to be used as an audio player with this headset.
If pairing fails due to a setting in the destination device, etc., immediately reset the power 
and try again. 
This product conforms to Bluetooth 2.1+ EDR standards. It may be possible to bypass link 
key entry when connecting to another Bluetooth 2.1+ EDR device.

Press and hold the Multi-function button until the LED lamp blinks blue several times 
(approx. 5 sec.).

With the power turned ON, press and hold the Multi-function button for at least 5 seconds. 
The LED lamp will blink red then turn off, indicating that the device power is now OFF.

The headset will automatically connect to any devices in range on which pairing has already 
been performed. If the reconnect does not occur automatically, press the Multi-function 
button on the headset once or twice, confirm settings on the destination device (mobile 
phone, etc.) and attempt to perform a connection from the device.If you still cannot 
reconnect, perform the pairing operation again. If a paired device cannot be found and 
connection is not established, the LED lamp will continue to blink blue once every 3 seconds. 

You may need to approve or authenticate the headset connection (device name 
LBT-NB02) or perform a [Connection] procedure from the mobile device.

If no pairing device is found when turning the power ON after it has been off, or after a 
connected device has lost its connection, the LED will blink red after approx. 5 minutes and 
the device will automatically turn off.

When this headset is connected to a mobile phone or portable audio player with A2DP 
support, you can listen to audio played from that device on this headset.
Also, when connected to a device with AVRCP (remote control capability), the device can be 
controlled remotely by this headset.

The remote control functions may vary depending on the device connected and the audio 
player application being used, and in some cases may not work.

Phone conversation can be performed through the microphone on the headset when 
connected to a smartphone or mobile phone with HFP/HSP capability. This product is 
equipped with a microphone located on the right side front of the headset. 

The following functions can only be used when Head-Set Profile (HSP) or 
Hands-Free Profile (HFP) pairing has been performed. 
Depending on the device specifications, your mobile phone may behave in a different 
manner than described in relation to the operation of this product. Please refer to the 
manual of your mobile phone.

When a call is received, you will hear a ringtone. If music is playing at this time, it will be 
interrupted. Press the Multi-function button to answer the call and begin talking.
* Depending on the device specifications, ringtones may not be heard on the Bluetooth 

headset. 

To place an arbitrary call, switch the sound output setting after dialling the recipient number. 

When performing voice conversation on a PC, control conversation start/end on the PC side. Please 
refer to the manual for the software or OS which you are using for information on how to start/end a 
voice call on your PC. For detailed information, please refer to the online help of the software or OS 
which you are using. 

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