Letsfit iF1949B User manual

Body Fat Scale
iF1949B
User Manual

①Weighing Platform
② LCD Display
③ Anti-skid Padding
④ Battery Compartment
⑤ Unit Conversion Button
Note:
Four 1.5V AAA batteries are included in the scale. Before using the scale,
please remove the insulating strip in the battery compartment.
At a Glance
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①
②
④
③
⑤

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Warning Indicators
Fat Measuring
Fat measurement in process. Please don't
step off the scale.
Low Fat% Indication
Fat% too low. We recommend you lead a
more nutritional diet.
High Fat% Indication
Fat% too high. We recommend you adjust
your diet and exercise more.
Re-Test Indication
Error. Please re-test to get the correct
result.
Over-load Indication
Scale overloaded. Please step off the
scale to avoid damage.
Low Battery Indication
Low battery. Please replace with new
batteries.
1. Download "Moving life" App
To view more in-depth weight analyses,
download the free "Moving life" app from App
Store or Google Play. You can also scan the QR
code.
Compatibility:
•iOS 7.0 or above
•Android 4.3 or above
•Bluetooth 4.0 or above
How to Use
Moving life app QR code

Notes:
• This app is not optimized for tablet.
• DO NOT pair the device with your phone in your phone’s Bluetooth
settings. Pair the device with your phone in "Moving life" app.
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3) Confirm the privacy policy.
4) Tap "Sign Up" to sign up your account with your email address.
5) Follow the guidelines in the app to set up your profile (complete your
profile is important, which could affect the accuracy of your health
data).
6) Step onto the scale with bare feet to activate the scale.
7) Tap "Body Analyzer"→"Body Analyzer Scale B2A" to pair.
2. Pair the Scale with Phone
󳠫 Pair the Scale with Phone with an Account
1) Turn on the Bluetooth of your phone.
2) Open "Moving life" app and swipe right the " " icon to " ".

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8) Tap "Confirm" to complete the pairing.

Notes:
• The scale has to be on during the pairing process.
• Connection status:
1) Connected:
The Bluetooth symbol " " keeps on on the scale LCD screen.
2) Not connected:
The Bluetooth symbol " " is flashing on the scale LCD screen.
• The scale can be connected to up to eight phones (accounts) but only one
user can be added in an account at the same time.
• To unbind the scale with your phone, go to Account page of the app, tap
"Body Analyzer Scale B2A" under "My Devices". To bind the scale with your
phone again, go to Account page → "My Devices" in the app, tap "Add
Devices" → Body Analyzer → "Body Analyzer Scale B2A".
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󳠫 Pair the Scale with Phone Without an Account (By default)
1) Turn on the Bluetooth of your phone.
2) Open "Moving life" app, tap "Sign in" and follow the guidelines in the
app to set up your profile (complete your profile is important, which
could affect the accuracy of your health data).

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3) Step onto the scale with bare feet to activate the scale.
4) Tap "Body Analyzer" and the found device to pair.
5) Tap "Confirm" to complete the pairing.
Note:
If you sign up the app with an account, your health data is saved in the
cloud and you can access to your health data anytime you sign in; if you
sign in without an account, your health data is saved in the phone and
you cannot access to your health data when you change phones.
3. Weight Measurement
1) Keep the scale connected to the app and for best results, place the
scale on a hard, flat surfaces. Avoid carpet or soft surfaces.
2) Gently step on the scale. The scale will automatically activate.

3) Remain standing evenly on the scale, without moving or shifting your feet or
body. The scale will then display and ash your nal results and data is synced to
your phone.
4) In the Dashboard page of the app, tap your weight to see your weight history
and a line chart; tap BMI to see your BMI history and a line chart; tap Body Fat to
see your body fat history and a line chart.
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Notes:
• To make a proper measurement of body fat, please keep your bare feet
on the conductive areas of the scale. The scale platform should be
clean and dry.
• To review complete measurement data, open the app and check them
in detail interfaces.

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1. Open the battery compartment on the back of the scale.
2. Remove the old batteries and dispose of them properly.
3. Install four new 1.5V AAA batteries, making sure they are placed under
the correct polarity.
4. Replace the battery compartment cover.
Battery Replacement
4. Converting Weight Units
• Convert the unit in the app
Go to Account page → "Setting" → "Unit" in the app to convert units
from pounds (lb) to kilograms (kg).
• Convert the unit on the scale
1) Apply pressure onto the weighing
platform to activate the scale.
2) Open the battery compartment
cover on the back of the scale,
press the unit conversion button
to convert units from pounds (lb)
to kilograms (kg).
3) Place the scale back onto a hard,
flat surface when you are ready to
measure.
Notes:
• When the scale is connected to your phone, convert the unit in the app;
otherwise, convert the unit on the scale.
• Unit St is not available in this model of scale.

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Important Safety Information
IMPORTANT: Please read and comply with all of the instructions and warnings provided
in this manual before using the product. Failure to comply with the instructions and
warnings provided herein may result in inaccurate results and/or damage to the product
itself.
General Safety:
• This scale should not be used to diagnose or treat any medical condition. Consult your
primary care physician before making changes to your diet, exercise plans, or physical
activities.
• If you are pregnant, you should not heavily rely on the data provided by this product.
Please note that all data should be used as a reference and is not a substitute for
medical advice from a licensed healthcare professional.
• Fat measurement function is not recommended for those who have a pacemaker, or
other internal device. Consult your primary care physician before using the scale.
• Check the scale before each use. Do not use the scale if it is damaged in anyway.
• The glass platform is slippery when wet. Make sure the platform and feet are dry before
stepping on for measurement.
•1 x Body Fat Scale
•1 x User Manual
•4 x 1.5V AAA batteries (pre-installed)
Specifications
Package Contents
Weight Capacity:
Graduation:
Weight Units:
Platform:
Battery:
Auto-off:
LCD Display:
Dimensions:
400lb/180kg
0.2lb (0.1kg)
lb/kg
Tempered glass
4 x 1.5V AAA batteries
30 seconds
3.3" x 1.2" (85 x 32mm)
11.9" x 11.9" x 1.1" (302 x 302 x 28mm)

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Use & Care:
• This scale is not intended for commercial use.
• Fat measurement is not available for children under 10 years old and adults over 100
years old.
• Always place the scale on a hard, flat surface before measurement.
• Before measurement, always remove shoes and socks for best weight result accuracy.
• To weigh safely and accurately, stand with your feet shoulder-width apart while on the
scale.
• DO NOT strike or drop the scale.
• DO NOT stand on the edge of the scale or jump on it.
• DO NOT stand on the scale platform for a prolonged period of time or when not in
weighing operation.
• DO NOT store or operate near heat sources or in humid environments.
• Handle the scale with care, as it is a precision instrument.
• Clean the scale with a damp and dry cloth and avoid getting water or any other liquid
inside the scale.
• DO NOT use chemical or abrasive cleaning agents to clean the scale.
• Keep the scale in a cool environment with dry air.
• Always keep the scale in a horizontal position, do not store vertically.
• If the scale fails to turn on, check whether the batteries are installed correctly. Replace
the batteries if necessary.
• If an error appears on the display or if the scale does not turn off automatically, remove
the batteries for 3 seconds, then reinstall them.
• DO NOT overload the scale (maximum weight capacity: 400lb/180kg).
• DO NOT mix new and used batteries or different battery brands to power the scale.
• If the scale is not in use for an extended period of time, remove the batteries to ensure
battery conservation and to extend the scale service lifetime.
Warranty
Letsfit strives to build its products with the highest attention to detail and craftsmanship.
However, sometimes there are occurrences of defect.
We are happy to offer 1-year hassle-free warranty to all Letsfit products as we continue to
make amazing sports product. Please contact us if you have any questions about our
products.