At a Glance
1 2
3
4 5
6
7 8 9
Power Button PartyCast Button
Bluetooth Button BassUp Button
Volume Down Button USB-C Charging Port
Play / Pause Button
Volume Up Button
Light Show Button
Installing the Strap
1
2
3
Attach the strap to both sides of the speaker. Adjust the strap length according to the illustration for
optimal comfort.
Charging Your Speaker
0.05W-15W
Use the provided USB-C to USB-C cable to connect the speaker and a certified charger to a power source.
Flashing Red Low Battery
Steady Red Being Charged
Steady White Fully Charged
•
Please use a charger with a power output of 0.05W to 15W to charge the speaker.
Powering On / O
Press Once
Power On
Steady White
Press and Hold for 2 Seconds
Power O
Light O
•
This speaker will power o automatically aer 20 minutes if no device is connected.
•
You can customize the auto power o time in the soundcore app.
Using Your Speaker
Bluetooth Mode
Press the Bluetooth button to enter Bluetooth pairing mode, then select "soundcore Boom 3i" from the
Bluetooth list to connect.
soundcore
Boom 3i
ON
PAIRING CONNECTED
x1
Press Enter / Exit Bluetooth Pairing Mode
Flashing Blue Bluetooth Pairing
Steady Blue Bluetooth Connected
•
If the speaker is not connected to a device within 3 minutes aer being powered on, it will
automatically exit Bluetooth pairing mode.
•
To re-enter Bluetooth pairing mode, press the Bluetooth button once.
•
This speaker can only play music on one mobile device at a time. If another connected device starts
playing music, the speaker will automatically take over and interrupt the current playback without
requiring the first device to pause.
•
Each time you power on your speaker, it will automatically connect to your last connected device
if available within the Bluetooth range. If not, press the Bluetooth button to enter Bluetooth pairing
mode.
True Wireless Stereo (TWS) Mode
Two identical soundcore speakers can pair with each other for stereo sound. Both speakers can play
the same audio (one as the le channel and the other as the right channel).
With one speaker connected to a smartphone, press and hold the Bluetooth button for 2 seconds on
two speakers to enter TWS pairing mode.
Speaker 1 Speaker 2
PAIRING
CONNECTED
PAIRING
CONNECTED
>2s
Press and Hold for 2 Seconds Enter TWS Pairing Mode
Flashing White TWS Pairing
Steady Blue (Speaker 1)
TWS Connected
Steady White (Speaker 2)
PartyCast Mode
With one speaker connected to a smartphone, simultaneously press the PartyCast button on multiple
soundcore speakers with PartyCast function to synchronize audio and light.
A prompt sound will play when you enable or disable PartyCast mode, or when multiple speakers are
successfully linked together.
PAIRING
CONNECTED
PAIRING
CONNECTED
x1
Press Enter / Exit PartyCast Pairing Mode
Steady White PartyCast Pairing
Steady White PartyCast Connected
•
With the PartyCast feature, you can link up to 100 soundcore speakers at the same time.
Light Show
There are 6 dynamic light eects on both sides that move with the rhythm of the music, while 4 additional
ambient light eects remain static to enhance the atmosphere. You can switch between dierent lighting
eects to fit your mood or preference.
>2s
Press Once or Press Again Turn Light On / Switch Light Eects
Press and Hold for 2 Seconds Turn O
Emergency Alarm
Emergency
Alarm
>5s
Press and hold the BassUp button for 5 seconds to activate the Emergency Alarm in case of danger.
When the alarm is activated, you can press any button on the speaker once to turn it o
.
•
The sound of the Emergency Alarm is very loud and piercing. Do not use this feature unless there is
an real emergency, as it may disturb others nearby.
Button Controls
Press Once Power On
Press and Hold for 2 Seconds Power O
Press Enter Bluetooth Pairing Mode
Press and Hold for 2 Seconds Enter / Exit TWS Pairing Mode
Press Volume Up / Down
Press Play / Pause
Press Twice Next Track
Press Three Times Previous Track
Press Once or Press Again Turn Light On / Switch Light Eects
Press and Hold for 2 Seconds Turn O
Press Enter / Exit PartyCast Pairing Mode
Press Enable / Disable BassUp Feature
Press and Hold for 5 Seconds
Activate Emergency Alarm
*Press any button on the speaker to
turn o the alarm.
soundcore App
Download the soundcore app to enhance your experience.
soundcore
Apple and the Apple logo are trademarks of
Apple Inc.
Google Play and the Google Play
logo are
trademarks of Google Inc.
Product information: Check the product name and soware version, or read the user manual.
Firmware update: You will be informed once a new version of firmware is detected when you connect
the speaker with the app.
Battery status: Indicates the remaining battery level of your speaker.
Volume control: Adjust the volume level via the app without pressing the buttons on the speaker.
EQ settings: There are various preset EQ settings you can choose from in the app to optimize your
experience while enjoying dierent music genres.
•
soundcore Signature: Standard EQ mode optimized for well-balanced sound.
•
Treble Boost: High frequencies are enhanced.
•
Voice: Voices stand out more clearly from other ambient sounds.
•
Balanced: No enhancement for high-frequency and low-frequency sounds.
Buzz Clean: Activate Buzz Clean feature in the app, and the speaker will emit sound waves at specific
frequencies to help shake o and clean out sand scattered on the speaker.
Voice Amplifier: Use the app’s Voice Amplifier feature to speak directly through your phone, and your
voice will be amplified and played through the speaker.
White Noise: Use the recommended white noise in the app to create a soothing atmosphere for
relaxation or falling asleep.
Emergency Alarm: Quickly activates an alarm to draw attention in emergencies. You can also use the
app to switch between dierent alarm sounds and adjust the duration of the alarm.
Set Auto-power o time: The speaker will automatically power o when time is up.
Voice prompt: Mute or restore the voice prompt while powering on/o.
Reset
Press and hold the Bluetooth button and volume up button simultaneously for at least 4 seconds to
reset the speaker.
Specifications
Power Input 5V 3A
Battery Capacity 2400mAh / 10.95V
Audio Output Power 50W
Speaker Driver Woofer ×1 Tweeter ×1
Charging Time
＜
4H
Playtime (varies by volume level and music content) Up to 16 Hours
Waterproof and Dustproof Rating IP68
Bluetooth Version V5.3
Bluetooth Range 30m / 98
Hereby, Anker Innovations Limited declares that this device is in compliance with The Product Security
and Telecommunications Infrastructure (Security Requirements for Relevant Connectable Products)
Regulations 2023. For the Statement of Compliance, visit the website:
https://uk.soundcore.com/pages/psti-related.
Note: The 'x' of SN Code: xxxxxxxxxxxxxxxx is a variable, see below table.
Variable 'x' Range of variable Content
Seventh 0-9 or A-F
Denotes the hardware version which is not effected on
the safety compliance.
Eighth 8,9,A,B,C...
Denotes the year, 8 means 2018, 9 means 2019, A means 2020,
B means 2021, C means 2022, and so on.
Ninth and tenth 01,02,03...
Denotes weeks, 01 means the first week in this year, 02
means the secondary week in this year, and so on.
Eleventh 1-7
Denotes date, 1 means Monday, 2 means Tuesday..., 7
means Sunday and so on.
The last five 00001-99999 Denotes serial No.
