🎉 Congratulations on your Sentien Audio! 🎉
Get started in just 2 minutes.
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🟢 1. Power on
- Put on the headset
- Power on
- Automatic pairing mode
- Pair on your device
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📐 2. Adjust size
- Best sound quality
- All-day comfort
- Sentien Audio feeling weightless
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📱 3. Make it yours
- Customize up to 10 touch/gesture controls.
- Upgrade firmware
- Experiment
🟢 1. Power on

Step 1
Put on the headset
Place the headset over your ears.
Make sure the transducers rest just in front of your ears — on your temples. The back frame should rest gently behind your head.

Step 2
Power on the headset
Press and hold the button on the right side of the headset for 3 seconds.

Step 3
Automatic pairing mode
You’ll hear “Power on” followed by “Pairing”.
The LED will flash white and red.
Your Sentien Audio is now ready to pair.
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Not in pairing mode? Double-press the button.

Step 4
Connect to your device
Open your Bluetooth settings and select “Sentien Audio”.
Once connected, you’re ready to go.
📐 2. Adjust size
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Correct fit is essential:
- Best sound quality
- Headset feels weightless
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Wearing Sentien Audio is like wearing glasses:
- After a couple of days you get used to it and forget about wearing it.
- Minor adjustments of size can make a big difference.
Fit Guide
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Too Small ❌
Headset feels tight, pressing on your head.
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Just Right ✅
Transducers sit in front of your ears, back frame is about a pinky-width away
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Too Large ❌
Frame hangs loosely or shifts when moving.

How to adjust size
The backframe is adjustable on both sides. You need to do one side first and repeat on other side at the time.
Adjustment - Questions
1. What is the adjustment system?
The adjustment system allows you to customize the fit. Correct fit ensures best sound and comfort.
2. Where is the adjustment mechanism?
The adjustment mechanism is integrated around the backframe of the headset.
3. Why do I need to adjust the size?
Adjusting the size ensures the headset fits snugly and comfortably on your head. A proper fit not only enhances comfort but is also essential for sound quality.
Best sound is delivered by maintaining the correct positioning of the speakers.
4. Why does adjusting the headset feel difficult?
The adjustment system is designed that you set it once and forget about it. This prevents accidental readjustment.
However, if it feels excessively hard, check for min / max position markings.
5. How do I know if I’ve reached the minimum or maximum adjustment?
There are dot markings on the top of backframe. and feel a natural resistance at the adjustment’s endpoints.
There is 15 dots in total:
- There is a centre dot between the markings
- There are 7 dots on each side
- The last dot is larger than others, indicating the end of the adjustment.
Pay attention to the markings. Avoid forcing the mechanism to prevent damage.
6. I’m afraid of damaging the headset while adjusting size. Is that possible?
Backframe is built using durable materials like nitinol wire and reinforced plastics, making it highly resistant to damage.
- Pay attention to the markings
Follow the recommended adjustment technique to avoid unnecessary strain.
7. What is the correct way to adjust the headset?
Hold the backframe firmly at its flexible section and gently apply steady pressure to move it into the headset itself. - See the moving picture above
Avoid sudden or forceful movements.
Best practice is to divide the desired adjusted length into both sides, so no side is subjected to uneven force.
8. Can I adjust the headset directly on my head?
Yes it’s possible to adjustment size while wearing the headset.
For larger changes, it’s recommended to remove the headset and adjust it in your hands.
📱 3. Make it yours

What's next?
Don't have Sentien Audio yet? Or want to buy for a friend?
There might be some available
Sentien Audio
📏 The first size-adjustable bone conduction headset
⚡ USB-C charging
👉 Programmable gesture controls
🎤 Noise-cancelling microphones
🔋 All-day battery
⬆️ Firmware upgrades.
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❤️ 14-day satisfaction guarantee.
⭐️ 2-year limited warranty.
🇪🇺 Made in the EU.
