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1 CONTENTS

This package includes the QuietOn Sleep earplugs, charging case, charging cable, three pairs of foam 

connected to a charger or computer. Charger is not included in the box.

2 IMPORTANT

For your safety, please read this entire QuietOn Sleep user guide BEFORE operating the product. Read 
all instructions, warnings and safety information. It is critical that you follow the instructions and pay 
attention to the warnings to prevent injury to yourself and to prevent damage to your product and 
others. Retain these instructions for future reference.

Information in this document may be changed. QuietOn reserves the right to change or improve its 
products and to make changes in the documentation without notice of such changes or improvements. 
Please refer to the user guide and www.quieton.com for additional important information on the use 
and operation of the products. The QuietOn website (www.quieton.com) may contain updates and 
supplemental information concerning the use and operation of QuietOn products.

3 USING QUIETONS

3.1 HOW TO USE QUIETONS

3.2 EARTIP SELECTION

webshop to help you ensure that plugs will fit airtight in your ears. Do not insert the eartip directly into 
the ear without correctly attaching it to QuietOn device.

If the medium size does not provide a proper fit, proceed with the small or large size eartips as these 
were designed to fit users for whom the medium size is not suitable. Do not use product if the proper 
size and fit cannot be obtained.

In order to be comfortable to use, tips are designed and manufactured of soft material and are not 
under warranty. Lifetime of foam tips is a few months depending on the usage.

3.3 STORAGE

QuietOn earplugs should be stored in charging case. Please refer to the storage temperature ranges 
listed in the “Temperature ranges” section. Batteries are fully charged at the factory, they will 
self-discharge gradually like all batteries and might need recharging before use. Please note that the 
battery may malfunction if not used or charged for an extended period. To keep batteries in good 
condition while in storage, recharge the earplugs at least every 50 days.

4 CLEANING AND MAINTENANCE

It is important to clean the device to maintain its functionality. To maintain the performance of your 

earplugs’ performance.  

The body of the earplug can be cleaned with a dry cloth. Do not wash the device with water, solvents, toxic 
chemicals, detergents or any liquid as that may damage the device. The foam tips are wiped with a soft 
damp cloth or dry tissue. Do not use solvents, chemicals or detergents or soak the foam tips with water 
as that may damage the foam tips or the earplug..

The interior of the charging case should be kept free from dust and debris. When cleaning the interior, 
use dry cotton sticks. When cleaning the exterior, use dry or damp cloth. Be careful with USB port. Be 
careful with charging contacts, do not bend those as the device will not charge if they are bent or damaged.

To avoid the microphone holes to be blocked, do not carry the device in your pocket without the charging 
case. Furthermore, while using the device, do not let the surface of the top cover come in contact with 
greasy substances, e.g. body lotion, moisturizer or hand cream.

5 TEMPERATURE RANGES

Operating temperature range for the earpiece: -4°F to 122°F (-20°C to 50°C). 
Storage temperature range (complete kit): -4°F to 122°F (-20°C to 50°C). 
Charging temperature range: 32°F to 113°F (0°C to 45°C).

6 WARNINGS

Note that the device is not a hearing protector and not designed for situations that require hearing 
protecting. The earplugs do not remove noise completely, so even when wearing the earplugs be careful 
to avoid loud noises that could damage your hearing.

CHARGING

POWER ON/OFF

Earplugs are automatically switched on 
when they are removed from the case. 

NOTE: Earplugs are in silent

OR in hearing mode.

USING THE EARPLUGS

Push “R” earplug firmly into right ear and “L” earplug to left as 
shown in the picture above. Rotate earplug backwards to get 
it properly in place.

NOTE: Earplugs need to be airtightly in your ear to get full 

performance. If they are not airtight, please adjust the 

position or select correct size eartips.

CHANGING THE TIPS

Remove the eartip by pulling it with a twisting motion. Then push new eartip in place. M-size tips are in 
place as default, small and large tips can be found from the sales box. 

NOTE: When putting on the new tips, please remember to push them completely in place.

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QuietOn SLEEP

USER GUIDE

HEARING AND SILENT MODE

Earplug has two modes: hearing and silent mode. Press the button to change the mode. Without 

NOTE: Both earplugs need to be switched separately.

Attach Micro-USB cable to charging 
case. Attach another end to mobile 
phone charger or PC. 

The device is fully charged when 

Charging time is about 2 hours.

NOTE: Earplugs need to be 
in correct position.

2

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