Years
Warranty
www.sandberg.world
User Guide
[Item no. 126-23B] Rev. 31.05.25
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Volume + / Next Song
Multi-Function Button (MFB)
USB-C Charge Port
Microphone
LED Indicator Volume - / Previous Song
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1. Introduction
Sandberg Wireless Office Headset is a Bluetooth headset with comfortable headband. Connects wirelessly to your smartphone or other Bluetooth device, leaving your hands free to use the keyboard or walk around. High quality loudspeakers and microphone for crystal clear communication both ways.
2. Overview of parts supplied
A. Wireless Headset
B. USB-C charging cable
C. User guide
4. Getting started
4.1 Connecting to a mobile
The headset connects to a mobile phone using Bluetooth. Pair the headset with your phone the first time you use it. The two devices will remain paired and the headset will normally automatically find your phone when switched on and within range.
Check the table in section 5 concerning
3. Charge
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pairing and restoring a link with already paired devices (if they do not connect automatically). in the list of Bluetooth devices on your phone, the headset will be displayed as "Sandberg Office Headset".
Ensure headset and phone are within 1 metre of each other for pairing, and then set your phone to search for new Bluetooth devices.
Refer to your phone's user guide if necessary.
Activate the pairing mode on the headset
by holding down the MFB button for approx. 8 seconds when the headset is off.
Your phone will display "Sandberg Office Headset" as a found device. Touch the name to connect. The devices will now be paired and you can listen to music and receive calls via the headset.
NB: music can only be played from the first
phone when two phones are connected.
Certain other functions are also restricted.
Refer to the table for details.
5. Buttons on the earpiece
There are buttons on top of the headset for volume control (+/-). One or more short presses on + or - will adjust the volume up or down. A long press (approx. 1 second) will skip to the next or previous track respectively when playing music from a playlist.
In the middle of the earpiece is the multifunction button (MFB), which gives access to a range of functions depending on the situation. All the options are listed in this table:
4.2 Connecting another phone
If you want to use the headset for two phones at the same time (e.g. a work phone and a private phone), follow these instructions:
1. Deactivate Bluetooth on the first phone the headset is paired with.
2. Activate the pairing mode on the headset by holding down the MFB button for approx. 8 seconds when the headset is off.
3. Put the second phone in pairing mode and connect to the headset as described in point 4.1.
4. Reactivate Bluetooth on the first phone.
Go to Settings, Bluetooth devices, and select "Sandberg Office Headset" from the list of paired devices.
5. The headset will now be paired to both devices.
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Operating the MFB button
Function How to do LED colour
On off to blue flash
blue flash to red flash to off
blue/red flash
blue flash
blue flash
blue flash
blue flash
blue flash
blue flash
blue flash
blue flash
When the headset is off, press for approx.
3 seconds.
When the headset is on, press for approx.
5 seconds.
When the headset is off, press for approx.
5 seconds.
Rapid single press when music is playing.
When connected, press rapidly twice.
To connect a previously paired phone to the headset in standby status, press for approx.
3 seconds.
When the headset is on and connected, press for approx. 3 second.
Press for approx. 1 second during a call to switch audio between headset to phone.
When connected, press once quickly.
Rapid single press during call.
When the phone is ringing, press for approx.
1 second.
Off
Activate pairing mode
Play/Pause
Redial last number
Reconnect
Voice control/Siri
Switch audio
Answer call
Hang up
Reject call
blue flashWhen during a call, double press to mute,
double press again to cancel.
Microphone Mute
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LED Indicator
Mode LED Indicator
Power on Blue LED flash 3 times
Power off Red LED is on for 1 second
Pairing mode Red & Blue LED flash alternately
Reconnect mode Blue LED flash twice every 5 seconds
Connected standby mode LED Blue flash once every 10 seconds
Playing Music LED Blue flash twice every 10 seconds
Talking LED Blue flash twice every 10 seconds
Delete paired record Blue and Red LED flash once at the same time
Charging Solid Red LED
Full charged Solid Blue LED
Low battery Red LED flash
NOTE: The headset turns off automatically after 5 minutes of disconnection from a phone.
The Sandberg Wireless Office Headset is now installed and ready for use. Enjoy!
CE letter of
conformity
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Warranty
Helpdesk
There is a five-year warranty on your Sandberg product.
Please read the warranty terms and register your new Sandberg product at www.sandberg.world/warranty
For information on handling electronic waste, see www.sandberg.world/weee
http://helpdesk.sandberg.world
Years
Warranty
8
Made in China
Sandberg A/S
Bregneroedvej 133D,
3460 Birkeroed, Denmark
www.sandberg.world [email protected]
Item no. 126-23B
NOTE: For optimal battery performance, we recommend fully discharging and recharging the headset at least once every three months.