Samsung SM-R400N User manual

www.samsung.com
USER MANUAL
English. 09/2023. Rev.1.0
SM-R400N

2
Table of Contents
Getting started
3 About the Galaxy Buds FE
4 Device layout and functions
6 Preparing the earbuds for use
8 Charging the battery
12 Battery indicator lights identification
Using the earbuds
14 Connecting the earbuds to a mobile
device
18 Wearing the earbuds
20 Using the earbud by touch
23 Using the noise controls mode
24 Listening to music
25 Using the equaliser
26 Using call features
27 Bixby
Galaxy Wearable app
29 Introduction
30 Connecting and disconnecting the
earbuds
31 Configuring settings for the Galaxy
Buds FE
Usage notices
37 Precautions for using the device
38 Notes on package contents and
accessories
39 Precautions for using the earbuds
40 Cleaning and managing the Galaxy
Buds FE
41 Restarting the earbuds
42 Coupling the earbuds
Appendix
43 Troubleshooting
47 Removing the battery

3
Getting started
About the Galaxy Buds FE
Galaxy Buds FE are wireless earbuds which allow you to listen to music or answer
incoming calls after connecting them to your mobile device even while doing other
activities, such as working out.
Do not wear the earbuds in high-traffic areas, such as roads or crosswalks. Doing so
may result in accidents because of slowed reaction times.

Getting started
4
Device layout and functions
Earbud
Touch-sensitive sensor
Speaker
Charging contacts
Microphone
Microphone
Wing tip
Ear tip
Antenna / Touch area
Wing tip
Direction indicator
M/L
Direction indicator
S/M

Getting started
5
Charging case
Charging contacts
(right)
Charging contacts
(left)
Earbud battery
indicator light
Charger port
(USB Type-C)
Charging case
battery indicator
light
•
Use the device in a place without magnetic interference for the device to operate
normally.
•
Your device and some accessories (sold separately) contain magnets. Keep
it away from credit cards, implanted medical devices, and other devices that
may be affected by magnets. In the case of medical devices, keep your device
more than 15 cm apart. Stop using your device if you suspect any interference
with your medical device and consult your physician oryour medical device
manufacturer.
•
If you have a medical implant in your heart, do not place your device in a pocket
close to your implanted device, such as your chest or inner jacket pocket.
•
Keep a safe distance between objects that are affected by magnets, and your
device and some accessories (sold separately) that contain magnets. Objects
such as credit cards, passbooks, access cards, boarding passes, or parking passes
may be damaged or disabled by the magnets in the device.
If you use the earbuds when they are broken, there may be a risk of injury. Use
the earbuds only after they have been repaired at a Samsung Service Centre or an
authorised service centre.

Getting started
6
•
If foreign materials are placed on the touch-sensitive sensor, they may cause the
sensor to malfunction. Before wearing the earbuds, clean the sensor first.
•
If there is sweat or liquid on the charging contacts, corrosion may occur on
the Galaxy Buds FE. When there is sweat or liquid on the charging contacts or
earbuds, clean them before inserting the earbuds in the charging case.
•
Prevent water from coming into contact with the touch area. The touch feature
may malfunction in humid conditions orwhen exposed to water.
Preparing the earbuds for use
Attaching an ear tip to the earbud
•
Do not put the earbuds in your ears without ear tips. Doing so may hurt your
ears.
•
Do not pull the ear tip excessively when you attach or detach it. The ear tip may
tear.
•
Do not press the ear tip excessively or twist it. The ear tip may be damaged.
1 Select the ear tip that fits your ear.
2 Align the latch at the bottom of the earbud and groove of the ear tip and cover the
latch with the ear tip.
Push the ear tip all the way in so that it does not come out.
3 Follow the same procedure for the opposite earbud.

Getting started
7
Attaching a wing tip to the earbud
1 Select the wing tip that fits your ear.
2 Select the wing tip for the left or right ear.
3 Hook the wing tip’s groove to earbud’s fixation hook and cover the earbud with the
wing tip.
•
Do not put the earbuds in your ears without wing tips. Doing so may hurt your
ears.
•
Do not pull the wing tip excessively when you attach or detach it. The wing tip
may tear.
•
Do not put the wing tips on the earbuds in the wrong direction. The earbuds will
not fit in your ears properly.
•
Check the left and right imprinted direction marks on the wing tips and earbuds,
and check if the wing tips are inserted as shown in the image.

Getting started
8
M/L
S/M
4 Follow the same procedure for the opposite earbud.
Charging the battery
Fully charge the battery before using the earbuds for the first time or when they have
been unused for extended periods. The earbuds will start to work while charging. When
you charge the battery for the first time or when the battery is completely discharged, it
needs at least 10 minutes to start to work.
The charging case, which has a built-in battery, is charged along with the earbuds that
are in the charging case when connected to the charger.
If you put the earbuds in a completely discharged charging case, they may emit a
sound. Sufficiently charge the charging case before inserting the earbuds.
1 Open the charging case.

Getting started
9
2 Check the direction of each earbud and correctly insert them into their corresponding
slots in the charging case.
R
L
3 Close the charging case.

Getting started
10
4 Connect the USB cable to the charger and then plug the USB cable into the charger
port.
5 Plug the charger into an electric socket.
The batteries of the earbuds and the charging case are charged simultaneously.
6 After fully charging, disconnect the charging case from the charger. First disconnect
the USB cable from the charging case and then unplug the charger from the electric
socket.
Checking the battery level
Connect the earbuds to your mobile device, open the Galaxy Wearable app on your
mobile device, and check the battery status of the earbuds and the charging case. Refer
to Connecting the earbuds to a mobile device for more information.
When the remaining battery level is low, a notification will appear on your mobile
device’s notification panel.
Reducing the battery consumption
When you are not using the earbuds, store them in a charging case that has been
charged. If not, the touch-sensitive sensorwill continue to work, and it will affect to the
usage time and battery consumption.