Introducing the LG Headset HBS-FN4

LG True Wireless Bluetooth Earbuds deliver an exceptional audio experience with Meridian Sound technology and dual microphones for crystal-clear calls. Designed for comfort and convenience, these earbuds feature an IPX4 water-resistant rating, making them suitable for various activities. With an Ambient Sound Mode, users can enjoy music while staying aware of their surroundings. Priced at approximately $149.99, they offer a blend of style, functionality, and high-quality sound.

Specifications

Item	Comments
Bluetooth Specifications	V 5.0 (Headset/Hands-Free/A2DP/AVRCP)
Battery	Earbud : 3.7 V / 55 mAh, Lithium-ion Charging case : 3.7 V / 390 mAh, Lithium-ion
Talk Time (Earbuds / With Charging case)	Up to 5 / 15 hours*
Music PlayTime (Earbuds / With Charging case)	Up to 6 / 18 hours*
Charging Time	Earbud : within an hour / Charging case : within 2 hours Fast Charging :5min charge for up to 60min playtime ※ When charging wired at room temperature
Rated Input Voltage	Earbud : DC 5 V, 110 mA Charging case : DC 5 V, 500 mA
Operating Temperature	0°C (+32°F) ~ +35°C (+95°F)
Dimensions (inch) / Weight(oz)	Earbud : 0.63" (W)X 1.29" (L) X 0.98" (H) /0.19 oz (Oneearbud) Charging case: 2.15" (W) X 2.15" (L) X 1.08" (H) / 1.38oz
Frequency range	2402 MHz to 2480 MHz

Duration of use may vary depending on the connected mobile device, features being used, settings, signal strength, operating temperature, frequency band, and other methods of use.
Fast charging feature does not apply when charging case is placed on wireless charging device such as a pad. Wireless charging feature charges at a slower rate due to less power being transmitted to the charging case.

Safety Cautions

CAUTION

Do not disassemble, adjust, or repair the product arbitrarily.
Do not place the product near excessive heat or flammable material.
The product may be damaged if an incompatible charger is used.
Make sure that an infant or child does not swallow a magnet or a small component of the product. Make sure that foreign objects do not enter the charger’s connectors (charging port and power plug). Failure to do
so may result in fire or electric shock.
If you have a medical device implanted, contact your doctor before using this device.
This product has a built-in battery, and the battery cannot be removed or replaced arbitrarily.
For your safety, do not remove the battery incorporated in the product.
If you arbitrarily replace the battery or don’t replace it correctly, it may explode.
The lithium-ion battery is a hazardous component that can cause injury.
Battery replacement by an unqualified professional can cause damage to your device.
Do not discard the battery arbitrarily. Follow the local procedure for discarding batteries.
Disposal of a battery into fire or a hot oven, or mechanically crushing or cutting of a battery, that can result in an explosion.
A battery subjected to extremely low air pressure that may result in an explosion or the leakage of flammable liquid or gas.

WARNING

Do not drop the product from a high place.
Make sure there is no water, alcohol, or benzene in contact with the product.
Do not store the product in a wet or dusty place.
Do not place heavy objects on the product.
This product is waterproof to the IPx4 level (daily life waterproof).
(The IPx4 waterproof rating applies to the earbud product only.
Do not put the product under the water or use it in a humid location such as a bathroom.

Precautions When Using the Product

Refer to the following to use the product for its normal life span.

If the product is exposed to excessive sweat, clean the product.
Keep the earbuds clean.

HD Speaker

If the communication network of the device you are connecting to supports HD Voice Calling, you can enjoy making voice calls and listening to music in high definition.

Product Components

LG TONE Free Earbuds (medium eargels installed) UV Charging Case (this only applies to HBS-FN6)
Extra Ear Gels (small & large)
USB Type C Charging Cable
User Manual
Warranty Card

NOTE: Actual product design may differ from images shown in manual.

CAUTION
Make sure authentic LG Electronics components are used. Using a non-authentic component may damage the product and thus void the warranty.

Use the USB Type C cable provided with the product.

Product Description

LG True Wireless Bluetooth Earbuds Charging Case

Earbuds

The appearance and specifications of the actual product may differ depending on the model.NOTE: HBS-FN4 does not have a UV-C LED and mood light.

Description

Headset HBS-FN4 boasts a sleek and ergonomic design, ensuring comfort during extended use. The headset features soft ear cushions and an adjustable headband to fit various head sizes. The dual MEMS microphones are designed to capture clear voice audio, while the active noise cancellation technology helps to minimize ambient noise.

The headset also includes intuitive controls on the earcup for easy operation, allowing you to manage your music, take calls, and adjust volume with ease. Additionally, the headset supports multi-point connection, enabling you to pair it with two devices simultaneously.

Pairing and Connecting

Initial Pairing

Open the charging case lid.
With the earbuds mounted on the charging case, plug a type C cable into the charging port of the charging case and connect it to a power source*.
The earbuds enter pairing mode (The blue LED on the charging case blinks).

You need to plug a cable into the charging port and connect it to a power source only for the initial pairing.
Fast Pair

Activate Bluetooth on your phone or device.
While the earbud is mounted in the charging case, open the charging case lid and press the pairing button for 3 to 5 seconds until the blue indicator lamp blinks.
When the Fast Pair connection pop-up appears on the top area of the mobile phone screen, tap it to connect. (It only supports Android 6.0 or higher, and requires configuring Bluetooth and location information settings of the mobile device.)
If the pop-up does not appear, select [LG HBS-FN6] from the Bluetooth menu on the mobile phone and connect it (for users of iOS or Android 5.0 or lower versions).

NOTE:
To connect with another device, perform the above procedure again.
CAUTION:
In the list of Bluetooth connected devices, LG HBS-FN6_LE is not the correct model

Automatic Reconnection
The earbuds are connected automatically when you open the cover of the charging case. If you close the cover of the charging case with both earbuds mounted in the charging case, the earbuds are disconnected.

Indicator Lamp

Status	Description
Bluetooth Search Mode	The blue status indicator lamp blinks.
Battery below 20%	The red status indicator lamp turns on and off.
Battery 20% – 80%	The purple status indicator lamp turns on and off.
Battery 80% or more	The blue status indicator lamp turns on and off.
When there is a problem while charging	The red status indicator lamp blinks.
When the UVnano function is operating	The status indicator lamp blinks slowly during the UV-C LED operation.

Mobile Calling Functions

Function	Status	Description
Answering Calls	Ringing	Touch the left or right earbud once.
Ending Calls	Talking	Touch the left or right earbud twice.
Making Calls	Idle	If you make a call using a mobile phone, the call is automatically connected to the headset.
Receiving Calls while on the Phone	Talking	If you touch the left or right earbud once, the current call will go on hold, and you will be able to answer an incoming call. If the previous call is on hold, you can finish the current call on the mobile phone. (It works differently depending on the mobile phone settings.)
Rejecting Calls	Ringing	Touch and hold the left or right earbud.

Playing Music

Function	Description
Play / Pause	: Touch the left or right earbud once.
Adjusting the Volume	: Touch the left(Decrease volume) or right(Increase volume) earbud twice.
Play Next	: Touch the left or right earbud three times.

NOTE: On the LG TONE Free app, you can switch the operation mode through the touchpad settings.

Listening to the ambient sound

Touch and hold the left or right earbud to hear the ambient sound.You can adjust the intensity of the ambient sound in the LG TONE Free app.The Listen to the Ambient Sound function works only when the product is on hold or playing music. While using the listen to the ambient sound function, the battery discharges faster than usual.
CAUTION:
When the Listen to the Ambient Sound mode is enabled, you may hear the ambient sound become loud suddenly.

Setup Guide

To set up your HBS-FN4,

Start by fully charging the battery. Once charged, turn on the headset by pressing and holding the power button until the LED indicator flashes blue.
Put your device in Bluetooth discovery mode and select "HBS-FN4" from the list of available devices.
For pairing multiple devices, ensure that one device is already connected, then put the headset in pairing mode and connect the second device.
The headset will automatically switch between the two connected devices based on the incoming signal.

LG True Wireless Bluetooth Earbuds Battery Status

If earbuds are mounted in the charging case, the earbuds’ battery status is displayed. Otherwise, the charging case’s battery status is displayed.If the earbuds are mounted in the charging case while plugged in, the UVnano process will commence for ten minutes.

Once this process is complete, the charging case’s battery status will be displayed.

Indicator Lamp	Battery Status
Red	Below 20% battery
Violet	Between 20% and 80% battery
Blue	Above 80% battery

NOTE:
When the charging case lid is closed, charging case battery status is displayed. If the charging case has no remaining charge, there will be no display and it cannot function. We recommend you keep the charging case charged at all times as the earbuds are not able to be turned on and turned off independently.

UVnano Description

UV-C LED process operates for ten minutes and begins when charging case (with earbuds) is plugged in.
UV-C LED does not operate while device is charging wirelessly such as on a pad or third party wireless charging device (this only applies to HBS-FN6).

Independent testing shows the UVnano charging case kills 99.9% of bacteria (Staphylococcus aureus and Escherichia coli) on the speaker mesh of the earbuds in ten minutes while charging. The UV-C LED function works only when the charging case is connected to the power cable.
For best result, it is recommended that the full 10 minutes of UV-C LED operation be performed while charging.

NOTE: The status indicator light blinks slowly during the UV-C LED operation.

Out of Range

If the device connected to the product is out of effective communication range, the communication signal becomes weak and the communication is lost. The effective communication range may vary depending on surrounding and other conditions.If the device comes back within effective communication range, the product automatically reconnects to the device. If the device is not automatically reconnected, touch the left or right earbud once to connect them.

LG TONE Free

If you install the “LG TONE Free” app, you can use Check Earbud Battery, Voice Alert, Change Equalizer Mode, Check Last Connected Location Information, and Find My Earbuds functions. Check out the app for more details.To install the “LG TONE Free” app, search LG TONE Free in the Google Play Store or App Store or scan the QR code below.It supports Android 5.0 or higher and iOS 11 or higher.

Troubleshooting

Problem

Solution

The power does not turn on

Check the batterylevel and charge it.

If unableto make a call with earbuds

If the mobile phone does not support headset and hands-free functions, you cannot use the calling features.

Check the batterylevel and charge it.

If unable to register earbuds to mobile phone

Check whether earbuds are turned on.

Check if the charging case of earbudsare in search mode.

- Press the pairing button on the charging case to switch to search mode.

If you replaced the earbuds or there is a problem with the operation

Put the earbuds in the charging case and, with the case open, press the pairing button for 10 seconds or more.

- The factory reset proceeds while the status indicator on the charging case

flashes red.

Please reconnect the device after factory reset.

Warranty

Subject to the conditions of this Limited Warranty, LG Electronics warrants this product to be free from defects in design, material, and workmanship at the time of its original purchase by a consumer, and for a subsequent period of one (1) year. Should your product need warranty service, please return it to the dealer from whom it was purchased or contact your local LG Electronics contact center to get further information.

Pros & Cons

Pros

Comfortable and ergonomic design
Excellent sound quality with clear bass and treble
Long battery life with quick charging capabilities
Active noise cancellation technology for reduced ambient noise
Multi-point connection for pairing with two devices simultaneously

Cons

Slightly heavier than some other headsets on the market
No water or dust resistance rating
Active noise cancellation may not be as effective in very noisy environments

Customer Reviews

Customers have generally praised the LG Bluetooth Stereo Headset HBS-FN4 for its clear sound quality and comfortable fit. Many have appreciated the active noise cancellation feature and the ease of use. However, some users have noted that the headset can be a bit heavy and that the noise cancellation could be more effective in extremely noisy environments.

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