SS-2900 - Scale Sogo - Free user manual and instructions
Find the device manual for free SS-2900 Sogo in PDF.
| Product type | Connected impedance scale |
| Brand | Sogo |
| Model | SS-2900 |
| Power supply | 2 AAA batteries (1.5 V, not included) |
| Maximum capacity | 180 kg (gradation 0.05 kg) |
| Measurement units | kg, lb, st lb |
| Functions | Weight, body fat, hydration, visceral fat, muscle mass, bone mass, calories, BMI |
| Connectivity | Bluetooth 2.4 GHz, Smart Life / Tuya app (iOS and Android) |
| Display | LCD screen |
| Dimensions (approx.) | 30 x 30 x 2.5 cm |
| Weight (approx.) | 1.2 kg |
| Materials | Tempered glass, metal electrodes |
| Maintenance | Clean with a damp cloth, do not immerse, keep dry |
| Safety | Do not exceed 180 kg, use barefoot on a flat surface, do not drop |
| Spare parts | Batteries only (not included) |
| Repairability | Not user-repairable, contact customer service |
| Customer service | www.sogosat.com, sogosat@sogosat.com, 0034 902 222 161 |
| Compliance | Directives 2014/30/EU and 2015/863 |
Frequently Asked Questions - SS-2900 Sogo
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Download the instructions for your Scale in PDF format for free! Find your manual SS-2900 - Sogo and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. SS-2900 by Sogo.
USER MANUAL SS-2900 Sogo
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Declaration of conformity, Responsibility of Electronic products disposal, Importers Details and After-sales service on the last pages.


Search for "Smart Life" or "Tuya" App

![graph LR A["User Agreement and Privacy Policy"] --> B["Register"] B --> C["Enter Verification Code"] C --> D["Set Password"]](/content/2026/04/722130/images/374a644877841e5f762edab1d018f395a4f1dcaba27df5be3420d6b0abab83be.jpg)
Data trends
• Always read the instruction book carefully before using. - This manual can be downloaded from our web page www.sogo.es - Keep these instructions for future reference.
ADVICE FOR USE AND CARE
Place the bathroom scale on a flat and stable floor surface.
- The max. weighing limit of the scale is 180 kg, so make sure not to weigh more than this limit. • To ensure the life of the bathroom scale, do not keep it under wet, hot & cold conditions.
- The product belongs to high precision electronic weighing apparatus, please do not press or drop the scale otherwise the scale is easy to damage.
- If the scale surface is dirty, please clean the scale with soft cloth, don't use any chemical detergent or allow water to get inside the scale.
- This product is just to weigh the individual weight, do not use it for auto medication or weight losing therapy.
- If you think the results are incorrect, then check the batteries, if they are connected well with both of poles and in case not, place them correctly. Still if you don't get the correct results, then change the batteries and try again.
Dear users:
Thank you for choosing our smart body analysis scale.
This product is designed to monitor body fat, water, muscle, bone, BMI, visceral fat and so on. The product uses 2.4G HZ wireless transmission protocol, can connect Bluetooth from mobile or iPad to transmit data.
In order to ensure the accuracy of measurement data and service life, please read the instructions carefully before use and keep it safely for future reference.
PRODUCT FEATURES
- Measure weight, body fat, hydration, visceral fat, muscle mass, bone mass, calories, BMI, and so on.
- Keep data in the app allowing you to check progress and maintain goals.
Technical Specifications
- Weighing scope/Graduation: 5 kg - 180 kg / 0.05 kg
- Battery: 2 x AAA battery
- Three units: kg/lb/st lb
- If the battery voltage is less than 2.6V, it shows "Lo" and the unit switches off immediately.
- Overload Display: If weight surpasses the maximum weighing value of 182.5 kg, the unit shows "oL".
How to Ensure Accurate Readings
- Always weigh barefoot. Do not step on the scale with wet feet, wearing socks or shoes to prevent slipping, damage, and inaccurate readings.
- Recommended to be placed on a hard and flat surface only. Always weigh yourself on the same scale, same place, and same surface if possible.
- Recommended measurement time should be after waking up or before breakfast, and the next weight should be two hours after your meal but before your next meal, or two hours after dinner but before bed.
- Wrong measurements can occur if feet are dirty, dry, or extremely callous.
- Body fat percentage estimates will vary with the amount of water in the body, and can be affected by dehydration or over-hydration due to some factors such as alcohol consumption, menstruation, illness, or intense exercise.
- Stand upright and not on the edge of the scale to ensure good contact with the film or electrodes (the film and electrodes are both conductive media depending on the scale model). The horizontal line should be running below the arch of each foot.
- Complete features are available only with the apps.
Maintenance
- Keep the scale surface dry to avoid accidents from slipping.
- Please keep the scale in a dry place to protect the internal electronic components.
- Please use a clean, damp cloth to clean the scale; do not immerse it in water.
- Please do not move the scale, except when replacing the batteries.
- Please do not place heavy objects on it or throw it from a height.
HOW TO USE
1) Installing the battery
1.1: Remove the battery cover, located at the back of the smart body analysis scale, and insert 2 x 1.5V AAA batteries (not included). Make sure to place the batteries according to the polarity. Replace the battery cover.
1.2: To set units, press the button located on the back part of the scale. Choose the right unit that you need to weigh.
2) Installing the App
2.1: Turn on the Bluetooth of your mobile phone device. 2.2: Connect your phone or device to the internet (Wi-Fi, 4G, or 3G connection) to download the app. 2.3: Use your device to scan the QR code or search
"Smart Life" App or "Tuya" App
from App Store or Google Play to install the app.




3) Register account
Open "Smart Life"
Please read the Privacy Policy and click "Agree", then register on the app step by step.
If you have already registered before, you can log in to your account by clicking "Login" with Existing Account.
If you are registered and forgot the password, please click "Forget password", then type your email or mobile number and click "Get verification Code". A verification code will be sent to your account/phone. Type the code and reset your password again.
Completing a personal profile is essential because the data you enter will be used as a reference for the app to analyze and assess health situation.
![graph LR A["User Agreement and Privacy Policy"] --> B["Register"] B --> C["Enter Verification Code"] C --> D["Set Password"]](/content/2026/04/722130/images/fba9c729bbae5164ab3a06bdfb2dbe85421d3a74df7fb78ba3c32699388f940c.jpg)
4) Pair your Bluetooth scale
After registration you will be redirected to the home page, where you can bind your body fat scale for measurement later. Click "Add Device", click "Exercise & Health", click Body Fat Scale (Bluetooth), then turn on the scale or press the unit button at the back of the scale to turn it on, then you will find the Bluetooth icon is blinking.

Turn on Bluetooth on your mobile device. Click "Confirm indicator rapidly blink", after scanning nearby devices you can choose the Bluetooth Smart Scale, and click "Add", then the mobile will start to connect to the unit. Please keep the smart scale on in the Bluetooth pairing process and near the mobile phone.
Note: The device supports connecting with many mobiles at the same time, but sometimes if you find the Bluetooth icon doesn't blink or couldn't connect successfully, then you need to press the unit button at the back of the scale for a long time or long press to clear the previous connection. The screen will display "off", restart the scale and now you can connect it normally.
![graph LR A["Reset the device"] --> B["Add device"] B --> C["Bluetooth Smart Scale"] C --> D["Network distribution within 2 minutes after resetting the device."] D --> E["Reset Device Stop by Stop"] E --> F["Reset device is blocking"] F --> G["Bluetooth Smart Scale"] G --> H["Weight: 0.55 kg"] H -->…](/content/2026/04/722130/images/d2c6c2b6ab2e5a7aea8eb5ae4dd681178bbf0519821877dbedb6240696fd875e.jpg)
5) Basic Operations
Family Member Management
Enter the main screen, click the avatar icon at the top left corner, now all family members' nicknames are displayed. You can select one member for current measurement results, show or manage his or her data. Also, you can use the "Add" operation to add a family member or even a "visitor" for a guest to try a body fat scale. The Member Profile setting screen is shown. You can set personal profile, including nickname, gender, birthday, and height to register to your account.

Save data
At first, you should save your weight data manually. After that, if your weight doesn't have a great change, the data will be claimed automatically. Otherwise, you need to claim again by choosing "its mine" or "not mine". Click the claimed data with long time, you can delete it. Click claim, the data will be in your account.
![graph LR A["Weighting confirmation prompt<br>The weighting is 41.36kg, which is<br>safe often from your last<br>weighting, it is your weighting?<br>It's mine<br>Not mine"] --> B["The following in-day data<br>Height: 47.00kg<br>Size: 4.5 kg"] B --> C["History (nearly one year)<br>No more data"] C -->…](/content/2026/04/722130/images/099aac19c1c21756caec08bb14f7cccd1055b824d6751061529084d70599ff87.jpg)
Body mass index
Click "Body mass index", you will see the details of this weighing. Touch each of them, you will see the details of it.

Historical Data Checking
Click on "Record" on main screen, APP will display historical data of selected family member. Long press the record and slide towards left to delete.
![graph LR A["History"] --> B["The following is up, data"] B --> C["Weight Gain: 5710kg, Return: 15.8, Change: 0.9%"] C --> D["Weight Loss: 42.67kg, Return: 1, Change: 0.8%"] D --> E["Weight Loss: 5710kg, Return: 15.8, Change: 0.9%"] E --> F["Weight Loss: 38.41kg, Return: 1, Change: 0.8%"] F --> G["We…](/content/2026/04/722130/images/9308e754adefe38b71cffb11bb7807fab5d8eda8a897946f2d2ca1ed4620e51e.jpg)
Unit Setting
Click "me" icon at the bottom right corner of main screen, then click "unit switch", you can set up app unit you want. Click "user management", you can update your member information.

More functions
Click the “√” icon, you can get more information and more functions, share device or create group, and so on. Also you can remove the device if you don’t want to use. Click the “<” icon, you will go into homepage, where you can see your device, and set up personal information and other things.

i More features waiting for you to experience!
i IMPORTANT
Unit Setting
More functions
i



3) Register the account
Open "Smart Life"
4) Pair the Bluetooth scale
More functions



3) Register the account
Body mass index
More functions
i
How to ensure accurate readings
Other functions
5) Basic operations
Managing family members
Unit setting
Other functions
Body mass index
More functions
5) Basic operations
Body mass index
Unit setting
More functions



4) Pair your Bluetooth scale
5) Basic operations
Unit setting
More functions
4) Pair your Bluetooth scale
Body mass index
More functions




More functions
Body mass index
More functions




3) Register account
Open "Smart Life"
Body mass index
More functions
DECLARATION OF CONFORMITY
DECLARATION OF CONFORMITY
This device complies with Electromagnetic Compatibility Directive 2014/30/EU, and the Directive 2015/863 UE on the restriction of the use of certain hazardous substances in electrical and electronic equipment.
This symbol on the product or on the packaging indicates that this product can't be disposed as normal rubbish or household waste. All the electrical, electronic equipment's and battery-operated units must recycle in proper manner and according to the local municipal laws. You can recycle them by taking them to government authorized disposal centres or specialized bins which you can find in any nearby big super markets, electronics or electro domestics products stores or malls who have these types of facilities available.
Designed by: SOGO based on European quality standards Imported by: Sanysan Appliances S.L, NIF: B98753056, C/ Barcas 2, 2, 46002 Valencia, Spain Product manufactured in CHINA. After-sales service: www.sogosat.com sogosat@sogosat.com / 0034 902 222 161
