OSTO AST-303 User manual

Instruction Manual
Wireless Massage Pad
How to care for Gel Sheets
If the adhesive surface of the gel sheet becomes dirty and fails to sck properly,
care for it according to the instrucons below:
• Get some drops of water on your fingerps and rub the adhesive surface (gel
surface) and remove any dirt.
• Shake off as much water as you can and leave it adhesive (gel side) face up to
air-dry in a well-venlated, shaded locaon.
• Allow to air-dry unl there is no moisture on the surface and then affix the
product to the storage sheet.
• Do not clean it for a long me or too frequently. Doing so may damage the
adhesive surface (gel side) and shorten its life.
Valid for warranty 1 year after the date of purchase:
Purchase Date:
Ordering from(Amazon/1688/eBay/Ali Express/DH gate/OSTO Web):
Order #:
Item Model:
Customer Info(Name/Tel/Add):
Description:
AST-303
Shenzhen OSTO Technology Co.,Ltd
Address:No.43,Longfeng Road,
Xinsheng community,Longgang District,
Longgang Street,Shenzhen City,China.
EC REP Wellkang Ltd
Address:Suite B,29 Harley Street,London W1G 9QR,England,UK
2020-08
100 mm
147.0 mm

Foreword
Thank you for purchasing Massage Pad
This product is designed for massaging your body via electrical smulaon (it is not
a medical equipment).
To avoid causing harm and loss due to user’s improper use, please refer to the
‘Safety Precauon’ and only use the unit when you fully understand everything.
Please keep this ‘instrucon manual’ carefully.
Safety Precauons
To ensure that the product is used correctly and safely, please read the instrucon
manual carefully before use.
The precauons described in this manual are intended to ensure safety, proper
use of the product and prevent injury to yourself and other, or damage to
property.
Danger
Never use at the same me as the following kinds of medical electrical devices.
• Implanted medical devices, such as a pacemaker.
• Medical electrical equipment used to sustain life, such as heart-lung machines.
• Wearable medical devices, such as EKGs.
Warning
The following people shall not use this product. Doing so may cause an accident or
problems to the body or skin.
• Persons with heart disease
• Women who are pregnant or have just given birth
Anyone with the following condions should consult a doctor prior to the usage of
this product. Not doing this may cause an accident or problems to the body or skin.
• Persons prone to allergies
• Persons with a fever (38 ℃or above)
• Persons with an impairment in percepon or problems with their skin (inflecon,
inflamed skin or scratches)
• Persons who need rest
• Persons with an acute (painful) condion, such as spine fracture, sprain, pulled
muscle, etc.
• Persons with blockage of blood flow
• Persons taking medicaons
• Persons with a bone disorder, such as osteoporosis
• Persons who feel anything unusual with their cranial nerves (epilepsy etc.)
• Persons with abnormal blood pressure
• Persons who sense abnormalies to their heart or cranial nerves
• Persons whose skin is irritated by the gel sheets
• Persons experiencing any specific physical abnormalies
• Persons with an impairment in percepon due to a significant peripheral
circulatory disorder, such as from diabetes
• Persons receiving treatment from a medical instuon
Even if none of the condions above apply to you, please consult with your doctor
if you have any concerns about using the product.
Please do not use this product on the following parts, doing so may cause an
accident or problems to the body or skin.
• Areas around the heart, such as the chest, shoulder blade, or parts from the neck
up (head, face etc.).
• On wounds, or mucous membranes, such as the eyes, mouth or genitals.
• On body parts where depilaon was performed the same day.
• On body parts where plasc surgery has been performed.
• On body parts with metal, plasc, or silicone implants.
• Spinal column
• Taooed areas
• Abdomen during menstruaon
Please do not place it anywhere else than specified in this manual
• Infants and young children who were unable to understand the instrucons
should not use this product. Doing so may cause an accident or problems to the
skin and body.
• Keep the buon baery and the baery cover out of the reach of children. To
prevent them from being swallowed. If either is swallowed, contact your doctor
immediately.
• Do not disassemble, modify or aempt repairs. Doing so may result in an
accident or injury.
• Do not subject to shocks, such as dropping or hing the product. Doing so may
damage it.
In such case, connuing to use it may result in an accident or injury.
• Do not touch the metal electrodes. Doing so may result in shock.
• Do not use in combinaon with any other electrical device or beauty equipment.
Doing so may make you feel ill or nauseous.
- 2 -- 1 -

Cauon
Follow the precauons below when using the product. Not doing so may result in
an accident, electric shock, injury, damage or geng it dirty.
• Do not heat the product itself or the gel sheet in a microwave.
• Do not use for any purpose other than as intended and according to the
instrucons in the instrucon manual.
• Do not use the product on young children or pets.
• Do not let children or pets play with the product.
• Do not spill any liquids on the product.
• Do not use it while exercising or driving an automobile.
• Do not use in a humid locaon, such as in the bathroom.
• If you feel pain, discomfort, rough skin dry, rash, redness, itching, burns,
inflammaon and abnormal situaon aer using it, please stop using immediately
and consult a doctor. It may lead to a worsening of symptoms if you keep using it.
• Please do not share it with other people. If you noce a strange smell or noise,
or if any foreign maer, such as water gets inside, turn it off immediately. Doing so
may cause a short circuit, fire or damage to product.
Follow the instrucons below when handling the baery. Not doing so may result
in an accident, injury, or breakdown of the product.
• When the buon baery leaks, please stop using it immediately and contact the
distributor of the products you bought.
• If liquid from the buon baery gets in your eyes, it may cause damage or
blindness. Do not rub them immediately, rinse them with plenty of clean water for
at least 1 minute and then contact your doctor.
• If you get liquid from the baery on your skin or clothes, it may harm your skin.
Rinse your skin immediately with plenty of clean water.
• When installing the buon baery, be sure to put it in facing the right way.
• When the buon baery runs out, please take it out immediately.
Follow the instrucons below when handling gel sheets. Not doing so may result
in burns.
• Please do not use damaged, deteriorated and/or dirty gel sheets.
• Do not bend or fold the gel sheet, otherwise the gel sheet may be damaged.
• Sck the gel sheet to your skin, if there is a gap where it is stuck on, electricity
will not flow uniformly across the enre surface of the gel sheet and you may feel
a strong smulus.
• Turn off the product before removing the gel sheet.
• Always adhere the gel sheet to the electrodes when using the product. Do not
touch the electrodes directly when the power is on.
Accessories
Buon introducon
Main machine: 1 PCS
Gel pads: 1 PCS
Storage Sheet (front side/back side): 1 PC
Storage Bag: 1 PC
Instrucon manual: 1 PC
USB cable: 1 PC
1.Charging indicator LED 2.Intensity increase
3.Turn ON / Turn OFF 4.Intensity decrease
5.USB charging interfaces 6.Electrode interfaces
- 3 - - 4 -

Mode and Intensity
In total 10 modes, 25 levels of intensity.
1. Mode: in total 10 modes (1 automac mode + 9 manual modes).
(1). Automac mode (M0): Each mode work 1 min, and change to the next mode
automacally, and later circulang like this.
(2). Manual mode (M1-M9): you can adjust from 1 to 9 mode, manually change
from one mode to another.
2. Intensity: in total 25 levels, can be adjusted between 00~25.
How to program the different modes.
1. When you turn on the main machine, it is the automac mode at first. Just press
the ‘ON/OFF’ buon to adjust the modes. When you press once, it is mode 1, press
double mes, it is mode 2, pressing like this to adjust the modes.
2. Aer you confirm the mode, just press ‘+’ and ‘–’ buon to adjust the levels of
intensity. You can adjust the intensity in each mode.
Frequency and intensity of using
Important
• Use once per day and per area used, use a weak level when using it for the first
me, once you are used to a weak level, adjust the level as desired.
1. Aach the product to the area where you wish to use it.
• Wipe any sweat off the area to be used before aaching.
• Touch the adhesive (gel surface) as lile as possible.
• Sck the gel sheet to your skin, if there is a gap where it is stuck on, electricity
will not flow uniformly across the enre surface of the gel sheet and you may feel
a strong smulus or pain.
Usage Instrucons
Gel sheets are consumables, replace with a new sheet at the following mes
• Obviously feel the conducon performance decreased, cause decreased
strength.
• When it loses its adhesiveness, the adhesive surface (gel) dries out or is gouged
or dirt/grime that cannot be removed exists.
1. Take a pad out of the bag.
2. Install main machine on the pad. The electrode buon is aligned with the
electrode hole of the main machine.
3. Remove the film on the gel pad.
4. Aach the pad with the main machine to your body.
Features
In view of the massage needs from different parts of the body, perfect fit the body
curve, focus your aenon on the locaon of the need to exercise more.
Is not affected by me or place, no maer when and where you can follow one's
inclinaons of exercise.
Using light and durable silk screen prinng, the current effecve conducon to
patch
Aached with a type of so rubber patch, good adhesiveness, not gooey, current
can be evenly to the body.
ON/OFF ON/OFF
Turning the power ON
Indicator
Turn the
power on
Important
• If a gel sheet is not in contact with the skin, do not turn it on. Doing so may cause
injury or burns.
When the power is switched on, the indicator is light and it is regarded as the
normal working state.
- 5 - - 6 -

Intensive training combination
Deepening training combination
Combined training mode
Mode Time (Minutes) Degree of Frequency
Mode Time (Minutes) Degree of Frequency
Mode Time (Minutes) Degree of Frequency
Mode Time (Minutes) Degree of Frequency
M1 & M2 15 Low
M3 & M4 15 High
M5 15 Middle
M6 & M7 15 High
M8 15 Middle
M9 15 High
ON/OFF ON/OFF
Indicator
Turn the
power off
3. Adjusng the intensity
• There are a total of 25 levels of intensity (1 to 25).
• Use a weak level when using it for the first me, once you are used to a weak
level, adjust the level as desired.
•Total 10 modes (M0-M9). For more details, please refer to the following exercise
mode guide.
Warm up and relax training mode
4. Turning off the power
Turn off the power, please press the power off buon on the main machine, the
indicator lights turn off, it means the power has been turned off.
• No operaon will be shut off by itself within 120 seconds aer switching.
5. Removing the product from your body.
• Always turn the power OFF before peeling the product off your body.
• Touch the adhesive (gel surface) as lile as possible.
• Aer use, put it back to the storage sheet then into storage bag. If dust or dirt
scks to the gel sheet, it may not sck properly anymore, the electrical smulaon
may weaken, or you may feel pain or get burns. For details, refer to p. 12
‘Maintenance’
• If any fragments of gel are le on your skin, wipe them off completely. If you
leave fragments scking to your body, they may make your skin rough.
Charging (Main machine)
Making the three main machines connect to the USB cable to charge them. The
red indicator will light when charging, the green indicator will light when fully
charged, it would take around 60 minutes to charge full, and the baery can last
for no less than 100 minutes.
- 7 - - 8 -

Usage Precauons
If you sense something abnormal with your skin or body, stop using immediately
and consult your doctor. Not doing so may result in an accident or poor health.
Using the product at a very high level or for a long me may cause muscle fague,
ngling or redness on your skin.
Remove any jewellery or accessories such as necklaces, earrings, belts when using
this product. Not doing so may result in an accident, injury or damage.
Keep electronic devices, such as wristwatches, pedometers, cell phones, etc.,
away from your body during use. Not doing so may result in malfuncon of the
electrical device.
Do not heat or cool the product before use, as doing so may deform it. Also do not
use in a manner that subjects the product to sudden changes in temperature, such
as pouring hot water on it, using it in a sauna, etc.
Clean the area where it will be used.
Pay aenon to the following points when handling gel sheets
• Keep away from direct sunlight, heat and humidity. Store in a cool, dark place.
• Do not leave gel sheets out or store them with anything that is dirty. If the gel
sheets get dirty, they may not sck properly anymore, the electrical smulaon
may weaken or you may feel pain or get burned.
• Although the gel sheets may peel off more readily aer using them 25 to 30
mes, due to the frequency of cleaning them, the state of your skin or the storage
condions, cleaning them helps them to last longer.
• If a gel sheet accidentally gets stuck to clothing, do not tear it off by force.
Moisten the other side of the cloth where the sheet is stuck and it will come off
easily.
Applying Gel Sheets
• Do not use damaged, deteriorated or dirty gel sheets. Doing so may result in
burns.
Important
• Gel sheets are applied in the same way for both Big Gel Pad and Small Gel Pad.
• If affixed incorrectly, gel sheets may lose their adhesion to the skin, fail to
funcon normally, or wear out faster than normal.
* Gel sheets are consumables.
Storage
1. Aach to the storage sheet
• Do not allow the gel sheets to touch each other, such as by folding over this
product.
• Do not press the gel pads too hard on the protecve sheet, it may damage the
gel surface.
• Please do not bend the storage sheet, its cause the deformaon and cannot be
used normally.
2. Put inside the storage bag.
Important
• Keep the storage sheet and storage bag clean.
• When storing the product, avoid a hot or humid locaon (such as inside a car)
and away from direct sunlight.
• When not in use, keep in a safe place to avoid tripping on it and get injured.
• Keep out of the reach of children and store away from pets.
• Please do not place it near a fire.
• When the unit is not used for a long me (1 month or more), please ensure to at
least charge them once, so you will not shorten the baery life.
Disposal Method
• Dispose of it according to the regulaons of your local government.
• Dispose of product if cuts or cracks develop aer using the product for a long
me.
Maintenance
• Make sure the power is off before cleaning the product, cleaning the product
with the power ON may give you electrical smulus.
• Do not rinse off the product with water.
• Do not wipe the product with paint thinner, benzene or alcohol.
• Make sure your hands are clean when handling the gel sheets.
How to care for this product
• Wipe off any sweat or moisture from the product gently with a so cloth and
avoid scratching it.
• If it is dirty, wet a cloth with lukewarm water diluted with (3–5%) detergent,
wring it out well and wipe off any dirt on the surface.
• Rinse the cloth with water, wring it out well and wipe off any detergent.
• Let it air-dry in a well-venlated, shaded place.
- 9 - - 10 -