Soundcore Liberty 4 NC User manual

soundcore Liberty 4 NC
USER MANUAL

EN 01
Download the soundcore app to get the most out of your earbuds
with 3D surround sound, ambient sound modes, HearID sound,
gaming mode, firmware updates, and more.
If your earbuds cannot connect with the soundcore app, re-install the
app or update it to the latest version in your mobile app store.
1. Tear off the insulation sticker on the earbuds before first use.
2. Place the earbuds in the charging case and close it.
• Fully dry off the earbuds and the USB-C charging port before
charging.
There are two ways to connect the earbuds with two Bluetooth
devices at the same time.
Option A: To pair with another device, wear the earbuds, then
press and hold the touchpad on both earbuds for 3 seconds
simultaneously.
Open the charging case, the earbuds will automatically power on
and enter Bluetooth pairing mode. Select "soundcore Liberty 4 NC"
from your device's Bluetooth list when connecting for the first time.
POWERING ON & PAIRING
CHARGING
DUAL CONNECTIONS
APP
Choose the ear tips that fit your ears best and take a fit test in the
soundcore app to ensure you get the best ANC performance.
WEARING
3. Connect the charging case to the power supply by using a certified
USB-C charging cable. Alternatively, position the charging case at
the center of your wireless charger for wireless charging.
• Fully charge both the earbuds and the charging case before the
first use.
soundcore
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L
XS S M
12
L L
3
< 20%
20% - 60%
60% - 99%
5 min 100%
Short
Light
Long
Light
10 min=4 hr
3hr
1 2
<20% PAIRING
CONNECTED 1s 1s
soundcore
Liberty 4NC
soundcore
Liberty 4 NC
ON
5s
20% - 60%
5s
60% - 100%
5s
Short Light
Long Light
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L R
3s 3s soundcore
Liberty 4NC
soundcore
Liberty 4 NC

EN 02
To manually enter Bluetooth pairing mode, place the earbuds in the
charging case and leave the case open. Press and hold the charging
case button all the way down for 3 seconds until the LED indicators
flash white rapidly.
You can also customize controls in the soundcore app.
You can select noise cancellation, normal, or transparency mode in the
soundcore app.
• Adaptive ANC: Optimize noise cancellation by adapting to your ears
and environment.
• Transparency: Stay aware of your surroundings while listening to music.
MANUAL PAIRING
CONTROLS
AMBIENT SOUND
TWS mode Mono mode
Play/Pause Tap once (L/R) Tap once
Next track Tap twice (R) Tap twice
Previous track Tap twice (L) /
Answer a call Tap twice (L/R) Tap twice
End/Reject a call Tap and hold for 2
seconds (L/R) Tap and hold for 2 seconds
Switch ambient
sound modes (ANC/
Transparency)
Tap and hold for 2
seconds (L/R) Tap and hold for 2 seconds
1
PAIRING
CONNECTED 1s 1s
2
3s
MONOTWS
L/R×1 ×1
L/R×2
ANC Transparency
L/R
2s2s2s2s
×2
2s2s
L/R×1 L×2 R×2 ×2
Normal Transparency
2s
L/R
2s2s
• Use devices powered by Android 8.0 or later to experience LDAC-
quality sound.
• LDAC provides higher-quality sound, increases power consumption,
and reduces playtime.
• Enable LDAC in a low-interference environment to ensure a stable
Bluetooth connection.
1. Go to settings in the soundcore app.
2. Click on "Sound Mode".
LDAC
1
2
Option B: In the soundcore app, go to settings and select
Dual Connections > Connect New Device.
DUAL CONNECTIONS
1
2
3

EN 03
WEARING DETECTION
Playback will automatically pause when an earbud is removed
and will resume again once you wear it. Wear either earbud to
automatically answer an incoming call.
POWERING OFF
To power off, return the earbuds to the charging case and close it. The
earbuds will automatically power off after 30 minutes if they are not
connected. The duration can be set in the soundcore app.
RESET
Reset if the earbuds have issues pairing with each other or with other
devices. Delete the pairing history from your Bluetooth device first.
Place the earbuds in the charging case and leave the case open.
Press and hold the charging case button for 10 seconds until the LED
indicators flash white rapidly three times.
LED Description Battery level
during charging
Short light breathing red <20%
Short light breathing white 20% - 60%
Long light breathing white 60% - 99%
Long light steady white for 5 minutes 100%
L/R
L/R
L R
1
2
1
2
10s
×3
LED LIGHT GUIDE
LED Description Battery level
Short light steady red for 5
seconds, and then off <20%
Short light steady white for 5
seconds, and then off 20% - 60%
Long light steady white for 5
seconds, and then off 60% - 100%
LDAC
3. Select "Preferred audio quality" to switch to LDAC codec.
4. You will be notified that the earbuds do not support LDAC when
connected to two devices. Select "Turn on" to continue.
5. It takes about 10 seconds to switch audio codecs. You may be
asked to update the earbuds' firmware if available.
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4 5

EN 04
FIRMWARE UPDATE
You will be informed once a new firmware version is detected when
you connect the earbuds to the app. Ensure the earbuds are placed
in the charging case and the case remains open until the firmware
update is complete. During the update, ensure the earbuds are being
charged and avoid any usage.
Specifications are subject to change without notice.
Input 5V 0.8A
Rated output power 5mW
Battery capacity 53mAh x 2 (earbuds);
800mAh (charging case)
Charging time Up to 3 hours
Playtime
(with ANC off) Up to 10 hours (50 hours in total with the charging case)
Playtime
(with ANC on) Up to 8 hours (40 hours in total with the charging case)
Driver unit 11mm dynamic driver
Frequency response 20Hz - 40kHz
Impedance 10 Ω
Waterproof rating (earbuds) IPX4
Bluetooth version 5.3
Bluetooth range 10m / 33ft
SPECS
1
2
LED Description Status
X 3 Flashing white three times Reset completed
Flashing white Pairing
Steady white for 1 second,
off for 1 second, and then
flashing white slowly
Connected
LED LIGHT GUIDE