How it works

The technology inside LIZN Hearpieces®

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A common misconception

Sound processing technology, psychoacoustics and speech comprehension are rather complicated topics. A common misconception is that if you struggle to understand speech in noisy environments and challenging acoustics, you just need amplification. On the contrary, if you just amplify the sound, the situation will get even worse, as many PSA and hearing aid users can confirm.

The solution to enhance speech understanding in noise is a balanced combination of the following three functions.

Reduce the noise

Even though it is counterintuitive, turning down the total sound pressure will enhance your ability to understand speech. You can experience this just by putting some cotton wool in your ears, which actually increases your speech understanding.

Amplify the consonants

Consonants in human speech are what convey the meaning of words. Without the s-, t-, f-sounds – and all the other consonants – you really struggle to comprehend what is being said. The reason that everyone has difficulties understanding speech when it is noisy is simply that noise and poor acoustics mask the consonants. The solution is therefore to amplify precisely the frequencies where you find the consonants in human speech.

Directionality

The LIZN Hearpieces® are built with directional functionality so that the consonant amplification is only done in the direction you are looking. You decide who you want to listen to, while noise and all other voices are reduced.

LIZN has developed and patented a technology that integrates these three functions, providing an effective listening tool for all users.


The solution for better clarity when listening to speech and a stress-free sound experience.

Avoiding unnatural sound

When you close your ears using an earphone, the sound of your own voice may sound unpleasant, like you are speaking in a closed tunnel. This is called the occlusion effect. LIZN has developed and patented an advanced Active Occlusion Cancellation system, so you will experience a natural sound to your own voice.

When you talk on the phone, and when you use the LIZN Hearpieces® for face-to-face communication, obviously it is important that your own voice sounds natural. The LIZN AOC is a technological break-through for this purpose.

The subtle experience

When you receive the LIZN Hearpieces® and test them in a quiet home environment, you will not hear a big difference. There is no need for amplification, and the Hearpieces® will automatically adapt to the silence.

As soon as you move into a noisy restaurant however, the Hearpieces® immediately reacts to the sound environment, and your speech understanding will be improved radically. After a while you will not hear a big difference because your ears and your brain adapts to the new situation. Then, try to remove the LIZN Hearpieces® and you will find yourself in a chaos of loud sounds. The subtle experience of the Hearpieces® is a nobility for LIZN.

Technical information

The LIZN Hearpieces® are very easy to operate, either using the convenient LIZN App or by the finger-touch functionality.

Download the LIZN app

Scan the QR code on the packaging and install the LIZN App on your smartphone.
You can control the LIZN Hearpieces® choosing the LIZN, Earphone or Call Mode, select Speech Clarity Presets in LIZN mode, control all functions in Earphone mode and download new software to your Hearpieces® when new versions are released.

Charging the Hearpieces®

The LIZN Hearpieces® comes with a smart combined Charger and carrying case, which fits perfectly in a pocket, so you can carry your Hearpieces® around.
When you remove the Hearpieces® from the Charger, they will automatically be turned on. Simultaneously the wireless connection between the Hearpieces® and your smartphone will open.

Battery life

A full charge of the LIZN Hearpieces® allows for 6-7 hours of hearing in LIZN Mode or 5-6 hours in Earphone mode. A full charge of the Charger will allow for two full recharges of the Hearpieces®, to allow enough power for 15-18 hours battery life in Earphone Mode or 18-21 hours battery life in LIZN Mode starting with fully charged Hearpieces® and Charger.
Recharge the Charger via the enclosed USB cable or use a wireless charger.

Finger touch

Download the Finger Touch Guide HERE and control your LIZN Hearpieces® manually.
There are two types of touch commands, a short TAP and a longer HOLD.
The basic Finger Touch Commands are the following:
Toggle between LIZN Mode and Earphone Mode: Double TAP on the LEFT Hearpiece.
Volume DOWN gradually: HOLD on the LEFT Hearpiece.
Volume UP gradually: HOLD on the RIGHT Hearpiece.

What is included

A box with LIZN Hearpieces® includes:
2 wireless LIZN Hearpieces® – Left and Right
4 sets of LIZN soft Heartips® – XSmall, Small, Medium and Large
1 combined LIZN Charger and Carrying case for 2 Hearpieces®
1 USB Cable
1 Manual and Warranty

Frequently Asked Questions

If you have more detailed questions concerning the functionality and the handling of the LIZN Hearpieces® please see the FAQ menu below.

LIZN to you ...

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