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Hanging up the call

*1 Theoretical value. Transmit range is also affected by the Bluetooth capability of the 

target device and the conditions of the surrounding environment.  

*2 When there is a long distance between this unit and Bluetooth device, the power 

consumption for each will increase resulting in shorter available time. 

*3 No condensation.

*4 Excluding protruding parts and ear hook 

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. 

 Multi-function button

This button controls functions such as power ON/OFF, as well 

as the following: 

Power ON/Pairing
Power OFF

When power is ON, press and hold for 4 seconds or more. 

  LED lamp

LED lamp that displays pairing and power status. 

 Volume button (+/-)
 Ear hook
 Earphone
 Ear pad
 Microphone
 USB power charging connector

Decrease

volume

Increase

volume

1. Ensure that the LED lamp is not lit.
2. Press and hold the 

multi-function button for 5 

seconds or more, until 

the LED lamp begins 

blinking red 

and blue.

For Bluetooth 2.1 + EDR class 2

Bluetooth headset

Bluetooth headset

LBT-HS02 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 headset that supports Headset Profile (HSP) and Hands-Free 
Profile (HFP).  
Enjoy hands-free conversation and voice chat via wireless connection on a mobile phone 
or PC that supports these profiles. 
Compatible with Bluetooth 2.1 + EDR, perform simple and secure pairing on supporting devices. 

Necessary information when connecting:

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

Link Key:

LBT-HS02

0000 (Four zeros)

Package Contents

Headset  x 1 unit
USB charging cable (approx. 12.5 cm)  x 1
Ear hook x 1
Ear piece (S/M/L) *M is affixed to device x 1 of each
User's Manual (This document) x 1 sheet
Ear pad (M) (attached to the device when shipped) x1
Ear pad (S/L) x 1 of each

Part Names

Charging

This product must be charged before use.
Use the included USB cable to charge. 

Device main body

Charge via the USB 
port of your PC, etc.

Lights red when charging.

When charging is complete, 

the light changes to blue.

Connect the charging connector of the included USB charging cable to the 

charging connector of this product. 

Connect the series A connector of the included USB cable to the USB port 

of your PC, etc. 

The LED lamp lights red when charging begins. When charging is complete, 

the LED lamp lights blue.

Pairing 

(Registering with the device)

To use this product, 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.

With the power of this product turned OFF, press and hold the 

multi-function button for 5 seconds or more, until the LED lamp begins 

blinking red and blue.
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-HS02] in the search screen. Select and register. 

When pairing is completed, the LED lamp will change to blink in a loose 

pattern (blinks blue twice every 8 seconds). The registeration process is 

now complete.

 

Depending on the device, you may be prompted for a link key. In this case, enter 
[0000] (4 zeros).

 

Basic Operation

Power ON/OFF

Power ON 

Press and hold the multi-function button of this product until the LED lamp lights 

(approx. 3 sec.). The headset will automatically connect to any devices in range on 

which pairing has already been performed. 

When connection is completed, the LED lamp will change to blink in a loose 

pattern, and the device is now ready to use. 

You may need to approve or authenticate the headset connection (device name 
LBT-HS02) or perform a [Connection] procedure from the mobile device.

Power OFF

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. 

Adjusting the volume

During phone conversation, press the volume button on this product to adjust the 

volume.

Talking on a mobile phone

Depending on the mobile phone 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.

When in conversation, press the multi-function button once.

When in conversation, press the multi-function button once.

Hanging up the call

Press the multi-function button twice.

Redialing (Most recent number)

Make a call using the mobile phone. After calling, you may still need to operate the 

mobile phone directly in order to switch audio output to the headset.  

<Basic operation>

Example: iPhone 

After the call, change the sound output setting to LBT-HS02 (the device name for 

this product).

Example: Android 

After calling, press the onscreen "Bluetooth" button. 

* Refer to your mobile device manual for detailed instructions.

Making a call

You cannot redial an received call. 

How to put on the ear hook

With the ear hook rotated to a desired position, you can adjust where to place them, or 

orient them oppositely to attach them to the left and right ears.

Function list

* Some functions may not work, depending on the device being used. Also, some operations of this product 

may be assigned to different functions. 

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. 

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. 

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.

With some applications, the volume is set on the PC side.

Check the volume settings on the PC.

Cannot adjust the volume when using with a PC.

 

Ultra-thin (approx. 6.5 mm), ultra-lightweight (approx. 6.6 g); listen for extended periods 
without irritating your ears.

 

Designed for ultra-low power consumption; 1 charge provides approx. 4 hours of 
continuous conversation and over 100 hours of standby time. 

It takes about 2 hours to fully charge this product. 
When charging is complete and the LED lights blue, remove the charging cable.

For safety reasons, it is recommended to avoid passing an electric current after charging.   

Also, do not use the product while it is charging. 

* The charging time varies depending on how much power is output from the USB port.

Connect to the USB connector. 

Be careful of the connector orientation 

with connecting. Cannot be 

connected in reverse. 

USB charging cable

Charging connector

Series A connector

To PC USB port

PC

 

This product is designed exclusively for 

phone conversation. It cannot be used for 
listening to music.

 

If pairing cannot be completed due to 

problems such as a setting on the connection 
device, turn off the power once, and try 
again.  

Attaching to right ear

Attaching to left ear

Function/Status

Operation

LED display

Power ON 

Press and hold the multi-function button for 3 

seconds or more

Blinks blue 3 times

Power OFF

Press and hold the multi-function button for 4 

seconds or more

Blinks red 3 times

Charging

-

Lights red

Charging complete

-

Lights blue

Pairing completed

-

Blinks blue twice every 8 seconds

No pairing device

-

Blinks blue once every 2 seconds

Not enough battery 

charge remaining

-

Blinks red every 30 seconds

Pairing mode

Press and hold the multi-function button for 5 

seconds or more

Alternately blinking red and blue

Answer call

Press the multi-function button once, shortly. 

-

Reject a call 

Press and hold the multi-function button for 2 

seconds

Hang up phone

Press the multi-function button once, shortly. 

-

Redial

Press the multi-function button twice

Article No.

LBT-HS02 series

Device name

LBT-HS02

Carrier Signal

2.4 - 2.4835 GHz

Bluetooth Specifications

Bluetooth 2.1 + EDR

Frequency diffusion method

FHSS

Transmit range

Class 2 Max. radius 10 m (if unobstructed) *1

Supported Profiles 

HSP (Headset Profile), HFP (Heads-free Profile)

Antenna type 

Pattern antenna

Continuous conversation time

Max. 4 hours *2

Continuous standby time

Max. 100 hours *2

Charging time

Approx. 2 hours

Environment 

conditions*3

When 

operating

Temperature

Relative humidity

5 - 35°C

20 - 80% (no condensation)

When 

storing

Temperature

Relative humidity

 -10 - +50°C

10 - 90%  (no condensation)

Battery type

Lithium polymer battery

External dimensions (W x H x D)

15 x 53.5 x 6.5 mm*4

Weight

Approx. 6.6 g

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