Eartech Dion TWS User manual

Cover Page
TUI TUI，Hear the love
Dion TWS
User guide
Please read this manual carefully before use and keep it for future use
Hear the love
Shenzhen Eartech Company Ltd.
Address: 516, Building 4, Tusincere Science Park, Longcheng Street, Longgang District,
Shenzhen, Guangdong, China
E-mail：[e-mail]
Postcode: 518116
Website:www.eartech.cn
Welcome page
Thank you for choosing Shenzhen Eartech Company Limited. to develop the
behind-the-ear hearing aid — Dion TWS.
Please read the User Guide carefully to ensure that you understand and get the best out
of hearing aids to avoid damage to your hearing aid due to improper operation. From now
on, we will be deeply concerned about your hearing condition, you will enjoy the wonderful
experience of a hearing aid brought to you, letting you hear every character with real ears.
This User Guide applies to:Dion TWS series hearing aids.
Suggestions:
A favourable audiologist is an essential part of a healthy life. When hearing loss occurs,
you need to go to a special testing center or hospital for a hearing test and evaluation. If
necessary, please share your expectations with the surveyor or doctor.
Consistent and scientific use of hearing AIDS will help you to listen better.
Contents
1. Welcome page
2. About hearing AIDS
3. Cautions

4. Descriptions
5. Using guide
6. Care and maintenance
7. Troubleshooting
8. Service and warranty
9. Network Security Instructions
10.Information and description of symbols
11. Packing list
12.Registration information
About hearing AIDS
Hearing aid models:
Dion TWS
Battery Size:
Lithium-ion rechargeable battery
Charging
Allow NOT Allow
Serial number (left side):
Serial number (right side):
Product shelf life:5 years
Date of purchase:
Cautions
Certain users should only use their hearing aids and not others.
Hearing aid earplugs can be cleaned daily with a soft dry cloth to remove cerumen, if
necessary, they can be removed, sterilized with alcohol.
Exposure to high temperatures, high humidity, strong magnetic fields(0.1t), X-rays, CT
scans, and mechanical stress can damage your hearing aids. So please do not wear
hearing aids in these places if the device is disturbed, please stop using it immediately.
But for alarms, radio equipment, mobile phones and other low radiation places, it

generally does not affect hearing aids. Still, it also does not rule out affecting the sound
quality or interference of the hearing aids.
Hearing aids should be tested before professional examination and hearing test, and
under the guidance of a doctor or a professional hearing aid tester. Hearing aids do not
cure hearing loss, or prevent or improve hearing loss caused by organic lesions. Please
follow the instructions of your doctor or hearing health care professional to use hearing
aids. Do not take it privately if any parts are left in the ear canal after removing the hearing
aid. To avoid ear canal injury, allergy or cerumen embolism, seek medical attention
immediately to prevent ear canal injury, allergy or cerumen embolism, seek medical
attention immediately.
Custom hearing aids should be cleaned at least twice a week, and oily ears should be
cleaned once a day. Wipe the hearing aid clean with a cotton ball or soft cotton paper, and
then use a matching soft brush to remove earwax or another blockage from acoustic holes
or cerumen baffle. Hearing aid cases can be sterilized using cotton balls containing 75%
alcohol.
Be especially careful when wearing custom hearing aids with an output greater than 132
decibels, as high-intensity sound output signals may cause residual hearing damage.
Please ask hearing healthcare professionals to advise the use of hearing aids or carefully
adjust the volume to ensure that the hearing aids maximize the hearing loss appropriate
for your specific situation.
Your hearing aid is suitable for operation in the frequency range of 2.4 to 2.8GHz.Disable
the wireless function of your hearing aid when flying.
Do not use hearing aids in mines, oil fields or explosive environments.
Hearing aid charging precautions:
1. The hearing aid built-in lithium battery, which is rechargeable and cannot be removed
or modified.
2. Ensure the hearing aid is charged at a temperature between zero and forty degrees
Celsius.
3. Please ensure that the humidity of the charging box is between 0% and 85% during
operation (no condensation).
4. Please ensure that the hearing aid is kept dry and dry before charging; otherwise, it
should ensure charging reliability.
5. Do not cover the whole charging box with cloth and other articles when charging.
6. The USB port of the charger is used only for the purpose described.
7. Please use a power adapter that matches this charging box, with an output voltage of
5V and a minimum current of 500 mA.
8. It could be dangerous to touch the power adapter with a wet hand while charging a
hearing aid.

9. When the hearing aid is turned off , it needs to be charged, do not use the hearing aid
while charging.
10.Please put the hearing aid in the charging case when not using the hearing aid.
11. Do not connect the hearing aid wires to any external audio source, such as radio,
which could cause physical injury (electrocution).
12. Hearing aids should not be discarded at the end of their lives to avoid environmental
pollution, they should dispose of electronic devices professionally following relevant
regulations to avoid ecological damage.
Hearing aids should be regularly sent to the testing center for maintenance and inspection,
to ensure that the hearing aid is in good condition.
Use earplugs with caution if the patient has a perforated eardrum, exposed middle ear
cavity, or has had ear canal surgery. Hearing aids are not suitable for patients with acute
external auditory canal, otitis, chronic suppurative otitis media, acute suppurative otitis
media, and those allergic to this material.
Special reminder for children with hearing loss: hearing loss can cause problems in
children's language development and educational and social growth.
To avoid drool, please handle your hearing aid with care and prevent it form falling onto
the parrot to avoid a strong impact on the hearing aid. Hearing aids are composed of
sophisticated acoustic components, especially the receiver is easily damaged by vibration,
which will shorten the Product shelf life if the original according to the damage, and severe
vibration will cause damage to the hearing aid.
Hearing aids are strictly prohibited from entering the water. Do not immerse the hearing
aid in any liquid. It would be best to take off the hearing aids when swimming, bathing and
washing hair. After swimming or taking a shower, wait until the ear canal is dry before
wearing a hearing aid. Whenever the hearing aid is removed, it should be placed in a
desiccant box, away from light, high temperature and high humidity environment, to avoid
collision.
The function and control switch should be used correctly, and the lights should be turn on
and off as much as possible to avoid excessive force.
Descriptions
Device model: Dion TWS
Product Component Description for Dion TWS
1. Earplug

2. Tube:
3. Microphone
4. Multi-function button
5. Speaker dummy
Using guide
Step 1: Wearing hearing aid
1. Place the principal machine of the hearing aid behind your ear.
2. Insert the earplugs into your ear canal.
3. Press and hold the silver button on the back of the hearing aid for 3 seconds before
you hear the prompt "power on"
Step 2: Bluetooth pairing (e.g.: Dion TWS)
Turn on the Bluetooth function in the mobile phone settings, long-press the button to turn
on the hearing aid, wait for the hearing aid to turn on, press and hold the button until the
sound is on. At this time, the hearing aid enters the Bluetooth pairing mode, and the user

can search the device named "Dion TWS R/L" in the Bluetooth Settings of the mobile
phone, and then the connection is completed.
Step 3 Removing hearing aid
Grasp the hearing aid tube and carefully remove the hearing aid from the ear.
Care and maintenance
If a hearing aid has a buildup of earwax, dirt, and bacteria; it can lead to ear infections; dirt,
earwax plugs the hearing aid holes, and the hearing aid is silent, so please do the
followings:
1. Do not wear hearing aids when spraying hairspray to avoid stuffing into the sound
hole;
2. Do not bring hearing aids into the therapy room if you do microwave therapy in the
hospital;
3. Sweat should be prevented from entering the hearing aid in summer;
4. Do not push sharp objects into sound holes or sound holes;
5. Do not wash the hearing aid with water or other solvents that may cause danger;
6. Hearing aids must be kept dry, especially in the season of rain and humidity, to avoid
the rain.
7. Hearing aids are kept in an airtight desiccant container to prevent moisture absorption.
The desiccant will have Arthur changes, and it needs to be used after drying or replaced in
time.

Troubleshooting
*If the above solution does not solve your problem, please consult your technician. If you
need to repair the circuit or component, please send it to the manufacturer for repair.
Service and warranty
Local warranty
Please check the hearing care professional from which you purchased your hearing aids
for the local warranty terms.
International warranty
Eartech hearing aid offers a one-year limited international warranty, effective from the date
of purchase. This limited warranty covers manufacturing and material defects in the
hearing aid itself, but excludes accessories such as batteries, tubes, earpieces, external
receivers. Warranty is only valid on presentation of proof of purchase. The international
warranty does not affect any legal rights you might have under applicable national
legislation on the sale of consumer goods.
Warranty limitation
This warranty does not cover damage from improper handling or care, exposure to

chemicals or undue stress. Damage caused by third parties or non-authorized service
centers renders the warranty null and void. This warranty does not include any services
performed by a hearing care professional in their office.
Compliance information
Product structure and composition:
The rechargeable behind-the-ear hearing aid consists of a shell, a microphone, a signal
processor, a receiver and an earplug.
Operating principle:
Hearing aids are essentially sound amplifiers; the sound is amplified in some way, and it is
some way that people with hearing loss can effectively use themselves to participate in
the hearing.
The microphone receives the external sound of the hearing aid, and the analog-to-digital
(ADC) converter converts it into a digital signal. The multi-channel digital signal
processor(DSP) processes the digital input signal and outputs a direct digital drive (DDD),
which drives the receiver sound. Through the programming interface, use the special
testing and debugging software to set according to the user's empathy for the hearing aid,
save the setting value in the memory, and save some parameters and program segments
that control the working mode of the DSO.
Product intended use:
After the test, it is provided to the patients with hearing loss compensation.
Contraindication:
Dion series products are not recommended for people with acute otitis externa, tympanitis,
chronic suppurative otitis media, and acute suppurative otitis media.
Voltage range:
DC 3.7 V (+0.1/ -0.1 V) Apply to Dion TWS
Electromagnetic compatibility Specification:
In accordance with GB/T 25102.13-2010 "electroacoustic hearing aids - Part 13:
Electromagnetic Compatibility (EMC)" adjacent compatibility requirements.

*Note: The test field strengths given are unmodulated carrier values.
Transportation and storage
Ambient temperature range: -10℃~40℃
Relative temperature range：≤80%
Atmospheric pressure：86kPa ~ 106kPa
Normal operating conditions:
Environment temperature:-10℃~40℃
Relative humidity: ≤80%
Atmospheric pressure：86kPa ~ 106kPa
nominal voltage: DC 3.7 V (+0.1/ -0.1 V)
A special note on howlers:
One of the most common problems that new users of hearing AIDS encounter for the first
time is "squealing", which is hearing aids emit loud noises, especially when the volume is
turned on higher. The noise comes from the earplugs that are not completely plugged, and
the ear canal cannot be closed. The hearing aid amplifies the leakage sound, which is
then amplified by the hearing aid to generate noise.
Technical description:
1. Classification of hearing aids:
a) According to the type of shock: Internal power equipment;
b) According to the degree of shock: Type B application equipment;
c) According to the degree of protection of harmful liquid: IPX0, conventional device ;
d) According to the degree of safety in the presence of flammable anesthetic gas mixed
with air or with oxygen or nitrogen oxide: Equipment not to be used in the presence of a
flammable mixture of anesthetic gas and air or a mixture of oxygen or nitrogen oxide
e) According to the operation mode: continuous operation
2. External link device
If the mains power the external equipment connected to the product, it must comply with
GB9706.1-2007 or equivalent safety standards.

Technical specification:
Model
OSPL90
Full range
sound
gain(mean
athigh
frequ
ency )
Equivalentinputnoise(dB)
Total harmonic distortion
Frequency
response
range(Hz)
Maximumum
saturated
soundpressure
level (dB)
High
frequency
mean(dB)
500Hz
800Hz
1600Hz
Dion TWS
≤120+3
118±4
52±5
≤32±3
≤4+3
≤4+3
≤4+3
200~6200
Dion TWS 3
Dion TWS 3
Pro
Dion TWS 5
≤128+3
128±4
57±5
Dion TWS 5
Pro
Dion TWS X
Software Version Description:
Model
Software version number
Softeare Release
Dion TWS
4.2.0
4
Dion TWS 3
Dion TWS 3 Pro
Dion TWS 5
6.4.0
6
Dion TWS 5 Pro
Dion TWS X
FCC statement
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions: (1) this device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may cause undesired
operation.
FCC Caution:
Any Changes or modifications not expressly approved by the part responsible for
compliance could void the user's authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that

interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
—Consult the dealer or an experienced radio/TV technician for help."
RF Radiation Exposure
This equipment complies with FCC exposure limits set forth for an uncontrolled environment.
This transmitter must not be co-located operating in conjunction with any other antenna or
transmitter.
FCC ID:2A5WV-DION-TWS
Operating frequency range:2400-2483.5MHz
Maximum RF Output power: 0dBm
Network Security Instructions
JRE: DSP Chip
Security software: No security software is available
Data domain device interface:
TCP: Bluetooth
Dion TWS series: Bluetooth transmission data modify hearing aid gain parameters, data
storage format is binary, hearing aid can also accept music, call and other voice data for
real-time playback, without storage.
Information and description of symbols
This symbol indicates the pending European conformity approval of relevant regulations
and directives. The numbers after the CE symbol correspond to the code of certified institutions
that were consulted under the above-mentioned regulation and directive.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG,

Inc. and any use of such marks by Sonova AG is under license. Other trademarks and trade names
are those of their respective owners.
The Bluetooth® word mark and logos are registered trademarks owned by
Bluetooth SIG, Inc. and any use of such marks by Sonova AG is under license. Other trademarks
and trade names are those of their respective owners.
Indicates the medical device manufacturer, as defined in the Medical Device Regulation (EU)
2017/745
Indicates the date when the medical device was manufactured
Indicates the manufacturer ’s serial number so that a specific medical device can be
identified.
This symbol indicates that it is important for the user to read and consider the
relevant information in this user guide.
This symbol indicates that it is important for the user to pay attention to the relevant
warning notices in these user guides.
The symbol with the crossed-out garbage bin is to remind you that this CROS device
and the charger may not be disposed of as regular household waste. Please dispose of
old or unused hearing aids and chargers, at waste disposal sites intended for electronic
waste, or give your hearing aid and charger to your hearing care professional for disposal.
Proper disposal protects the environment and health.
The temperature during transportation and storage: –20° to +60° Celsius (–10° to
+40° centigrade).
Humidity during transportation: Up to 80% (non condensing).Humidity during
storage: 0% to 80%, if not in use.
Atmospheric pressure during transportation and storage: 86kPa to 106kPa
Keep dry during transport.

This symbol indicates that the products described in these user instructions comply
with the requirements of the Category B application part of EN 60601-1.Hearing aid
surfaces are designated as Class B Applied Parts.
Packing list
Title Amount
Hearing aid 1
User guide 1
Certification 1
Warranty card 1
Earplug 4
Storage charging box (including charging USB cable) 1
USB cable 1
Registration information
Name of registrant/manufacturer:Shenzhen Eartech Company Limited.
Domicile of registered person/manufacturer: 516, Building 4, Tusincere Science Park,
Longcheng Street, Longgang District, Shenzhen, Guangdong, China
Contact information of the registrant/manufacturer:
F-mail：[e-mail]
Tel: [phone]
Postcode: 518116
URL: www.eartech.cn
Product shelf life: 5 years
Date of manufacture: See the certificate of approval
Production address:Shenzhen Eartech Company Limited.
Compilation/Revision date: