TeltoHeart First Start

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Contents of the box

Charging dock used to charge TeltoHeart TeltoHeart with strap attached Instructions with easy-to-understand illustrations.
Note icon.png Please note:
TeltoHeart is supplied with charging dock which is powered via USB connector with 5 Vdc, USB Type-C.

How to wear TeltoHeart

Secure TeltoHeart around your left hand lower arm, 1 cm above your wrist bone, as illustrated. Avoid fastening it too tightly or too loosely.

How to Charge TeltoHeart

Nr1.png Insert a USB Type-C cable into the charging dock.
Chargingdock insert1.png
Nr2.png To recharge, place TeltoHeart on the charging dock, which is included in the packaging.
Chargingdock connected1.png

Chargingdock insert2.png

Chargingdock TeltoHeart1.png

Note icon.png Please note:
The battery life can last for at least 24 hours.




Electrodes for ECG reading



Start using TeltoHeart

How to Use TeltoHeart

Nr1.png To activate TeltoHeart, press and hold the button for not less than 10 seconds until the device screen powers on.
Nr2.png When TeltoHeart is turned on for the first time, it will prompt to download TeltoHeart application.
Nr3.png You will be able to locate TeltoHeart on the TeltoHeart application as its name will be displayed on the TeltoHeart screen.
Nr4.png Visit TeltoHeart to download the TeltoHeart application or scan the QR code below. Alternatively, you can explore the iOS app store or Google Play store and search for the TeltoHeart application made by Teltonika Telemedic.
Note icon.png Please note:
Please be aware that if your mobile operating system is older than the version described in the guide, the app may not be visible.
Scan QR.png
Download from apple store.png
Scan the QR code to download the TeltoHeart application
from the Apple Store

Download from googleplay.png
Scan the QR code to download the TeltoHeart application
from Google Play Store

Nr5 - Copy.png After installing the app, tap Myhealth-0.png icon to open the app.


TeltoCare offers two registration options.

First option

Nr1.png Visit
Nr2.png Click Register.
Nr3.pngFill in the required information.
Nr4.pngClick Register to finish the registration.
Fill in.png
Nr5 - Copy.png After registration, fill in login details in TeltoHeart mobile application to Log in.

Second option

Sign in by entering your email address and the password provided by the clinic you're associated with. Tap Log in to proceed.
Group 4238.png
Nr6.png TeltoHeart application will prompt you to change the default password to a personal preferred password of your choice.
Nr7.png Once you have successfully changed your password, the next step is to review and accept the Terms and Conditions. You will be prompted to acknowledge and agree to the Terms and Conditions and Privacy policy before proceeding.
Nr8.png Once signed-in, the TeltoHeart application will ask for Bluetooth permissions. Tap Allow to let the application use Bluetooth connection.

How to Pair TeltoHeart with TeltoHeart mobile application

Nr1.png Tap Pair device to proceed with the pairing process.
Group 4183.png
Nr2.png TeltoHeart application will initiate a search for nearby devices.
Nr3.png Select your smart wearable by tapping on it.
Nr4.png TeltoHeart will notify you of an incoming pair request.
Nr5 - Copy.png When prompted to do so, enter the passkey shown on your TeltoHeart into the Bluetooth pairing request window in the TeltoHeart application.
Nr6.png TeltoHeart will notify you about a successful pair with the TeltoHeart application.
Nr7.png Make sure TeltoHeart application is always running in the background, otherwise the data transfer will not be available.
Note icon.png Please note:
To ensure uninterrupted data transfer from your watch to the platform, it is important to keep the TeltoHeart application running in the background at all times. If you close the app, data transfer to the TeltoCare platform will not be available.

Recording an ECG

Recording an ECG
Before you start
  • To measure and record physiological parameters, TeltoHeart utilizes photoplethysmography (PPG) and electrocardiogram (ECG).
  • To transmit ECG data, ensure that TeltoHeart and TeltoHeart mobile application are paired with iOS 14 or later / Android 10 or later.
  • To activate the ECG function, simply open the ECG function in TeltoHeart.
  • Push the side button once to open up a menu.
  • Tap the ECG function icon Ecg5.png on your TeltoHeart.
  • Follow instructions on screen.
How to take ECG recording

Nr1.png Follow the instructions on screen and tap NEXT.
Nr2.png Please sit down and make sure TeltoHeart is on your left wrist and strapped tightly but comfortably.

Wrist.png ECG1.png

Nr3.png Place and hold the abdomen electrode on the left abdomen side in the level of the belly button.

ECG measurement-2.png ECG2.png

Nr4.png While holding the abdomen electrode on the left abdomen side in the level of the belly button, put your right hand finger on the finger electrode above the screen.

ECG measurement-3.png ECG3.png

Nr5 - Copy.png Select Tap to Record and during the countdown, perform the actions described above. Do not forget to keep your right hand finger on the finger electrode and remain still during recording.


Nr6.png The recording lasts for 60 seconds.
Nr7.png Once the recording is finished, you will see the message Recording completed displayed on the TeltoHeart screen.

Note icon.png Please note:
  • Please keep the TeltoHeart application running in the background to allow measurement data transfer.
  • ECG recordings cannot be performed if battery charge is less than 10%.

How to view data in TeltoCare

Nr1.png Open a web browser and go to the URL TeltoCare

Nr2.png Enter your login details in the login field.

Note icon.png Please note:

TeltoHeart mobile application and TeltoCare share the same login details.


Nr3.png Click the Log in button to access your TeltoCare account.
Nr4.png Once logged in, you will be directed to the Patient Dashboard, where you can view various patient-related information.
Nr5 - Copy.png Look for the Electrocardiogram section.
Nr6.png Review the ECG recordings displayed in the Patient Dashboard to access the relevant data related to the patient's electrocardiogram.
Nr7.png If you do not see your ECG measurement data reflected in the TeltoCare platform yet, you have the option to perform a Force sync connection within the TeltoHeart application. This feature allows you to manually initiate a data transfer and ensure that your ECG data is sent to the TeltoCare platform. Although data is sent periodically, if there are any delays or missing data, utilizing the Force sync option in the TeltoHeart application enables you to trigger the data transfer process and ensure the availability of your ECG measurements in the TeltoCare platform.


How to power off or restart TeltoHeart

Nr1.png In the main screen, swipe up, locate and tap Group 4225.png power icon
Group 1388.png
Nr2.png Press and hold Power off button to turn off or Restart to restart the device.
Group 1337.png

Technical specifications


Dimensions (Width x Length x Height): 40.5 (1.6") x 47 (1.9") x 14.7 (0.6") mm
Weight: 52 g
Main CPU: 
  • nRF5340 
  • 2x ARM Cortex M33 cores for application and network 
Platform (OS): Zephyr RTOS 


Brightness: 250 NITS
Resolution:  240 x 240 px 
Type:   LCD TFT 
Size: 1.3“
Cover lens: Corning gorilla glass 3 
Surface hardness: >8 H
Display area: 547.56 sq mm


Capacity: 128 Mb


Bluetooth version: 5.3
Remote access:   Cloud 
Operating frequency: 2402 MHz – 2480 MHz
Max. output power: 3 dBm


  • ECG sensors for electrocardiogram
  • PPG sensors for AFib detection
  • Heart rate monitoring
  • Low/High heart rate
  • Cloud-based firmware updates, configuration app (Bluetooth) 
  • Water resistant 1 m (for 30 minutes) 
  • Protection level against ingress of solid objects: IP 67


Build-in rechargeable Li-Po battery (not replaceable by the user):
  • 410 mAh,
  • 1.56 Wh
Charging voltage:  5   V ⎓
Operating voltage:
  • Internal Battery 3.8 V ⎓
  • External power supply 5 V ⎓ 
Max. Input current (A): 0.5 A


  • Accelerometer
  • Gyroscope 


Side button (Turn on, Restart, Back)


The wristband with an electrode is made of silicone rubber with an integrated stainless-steel electrode  
Strap material: Silicone


  • S
  • M


  • TeltoHeart charging dock 

Compatibility with other manufacturer accessories:
  •  Any CE marked wall charger with 5 V⎓/1A output and USB type-A connector
  • Any CE certified USB-A to USB-C cable  
  • Any smartphone operating on Android OS version 10 or above with Google play store service.  
  • Any smartphone using iOS version 14 or above 

Bluetooth compatibility:  Devices that use Bluetooth v5.0 or later in 2.4 GHz (2.402 – 2.480 GHz) band and SMP protocol are compatible with the device 


Temperature range Operation:
  •  -10 to +45 ℃

Charging temperature range:

  • 0 to +45 ℃

Storage temperature range:

  • 1 Month: -20 to +35 ℃
  • 6 Months: -20 to +30 ℃


Contraindications, Cautions, Warnings and Notes

Caution.png Do NOT use the device on wounds as this may cause infection and pain. Threat the wounds first".
Caution.png Patients with diseases, which manifest as skin photosensitivity should not use the device.
Handling and Care:
Caution.png Do NOT use the device on wounds as this may cause infection and pain. Threat the wounds first".
Caution.png Patients with diseases, which manifest as skin photosensitivity should not use the device.
Warranty and Claims:
Caution.png Any modifications, performed by third parties, will void the warranty. Warranty claims may be excluded if you do not use and maintain the device as instructed or if you repair or modify the device yourself.
Caution.png Warranty claims may be excluded if you do not use and maintain the device as instructed or if you repair or modify the device yourself.
Connectivity and Data Management:
Caution.png If data cannot be saved locally on your smartphone, please clear cache and try again.
Caution.png The device requires a stable internet connection to function properly.
Environmental and Safety Precautions:
Caution.png Avoid using TeltoHeart in sandy environments. Do not submerge the device in salty water or any other electrically conductive liquid. Do not use the device in MRI or CT environment.
Caution.png TeltoHeart is not intended to be used underwater.
Caution.png Please store the docking station in an appropriate environment to avoid magnet degaussing.
Electromagnetic Fields and Ultrasound:
Caution.png Do not use the device in the presence of strong electromagnetic fields.
Caution.png Do not use the device near ultrasound equipment.
Cleaning and Maintenance:
Caution.png Ensure that the magnetic connection of the docking station is clean of metallic bodies.
Device Usage and Limitations:
Caution.png TeltoHeart is not supposed to be worn in situations where it would be exposed to strong vibrations, for example while working with rammer compactors, vibrating plate compactor machines, hammer drills, etc.
Caution.png Patients with diseases, which manifest as skin photosensitivity should not use the device.
Caution.png Do not paint or put stickers on your device.
Caution.png Do not cause excessive mechanical strain or shock to the device.
Caution.png The device may be damaged, explode, or result in a fire if too much pressure is applied to it.
Caution.png The device is not intended to be put in any bodily orifice.
Caution.png The device is meant to be used by adults of age 22 or older.
Caution.png Use on intact skin only.
Caution.png Do not use excessive force while using the device. Excessive force may break or damage accessories.
Caution.png Do not use the device in an environment where the temperature exceeds 45°C.
Caution.png The platform is not suitable for people with paralyzed, deformed arms, or absence of both arms.
Caution.png We strongly advise avoiding downloading or installing firmwares found in third party sites such as forums, etc. Installing unverified firmwares will result in warranty void.
Caution.png Due to excess heat, the battery might be damaged. If the device starts heating, stop using the device immediately!
Battery safety:
Warning.png If the device starts heating, stop using it immediately to prevent damage to the battery and other components.
Warning.png Do NOT short-circuit the charging contacts. Exposing the contacts with a metallic object, such a coin, a clip or a set of keys can cause accidental short-circuiting and damage battery and other components.
Environmental safety:
Warning.png Do NOT use the device outside of operational temperature conditions, for example in a sauna.
User safety:
Warning.png Comply with all safety warnings and regulations regarding mobile device usage while operating the vehicle.
Warning.png While driving, safely operating the vehicle is your first responsibility. Never use your mobile device while driving if it is prohibited by law. For your safety and the safety of others, use your common sense.
Operating Temperature:
Device operating temperature is -10 to 45 degrees Celsius.
Cleaning Instructions:
Please keep the device electrodes clean for best performance.
Usage in rain or in very humid environment is not recommended.
Account and Data:
TeltoHeart mobile application and TeltoCare share the same login details.


The warranty conditions and term of warranty shall apply in accordance with agreed conditions between you and your supplier.

It is important to carefully read and follow information for user (included but not limited quick start guide, technical specifications and user manual) and terms and conditions provided by the manufacturer. Failure to adhere to these guidelines may result in malfunctions or damage to the product, for which the manufacturer cannot be held responsible. It is the responsibility of the user to ensure that they fully understand and comply with the information provided by the manufacturer and terms and conditions before using the product. By doing so, users can help ensure the safe and effective use of the product and avoid any potential damage or liability.

Equipment symbols

          Manufacturer.png                         Manufacturer
                        TELTONIKA TELEMEDIC UAB

                        Ukmergės g. 120-1, LT-08126 Vilnius
                        [email protected]

          CE Labeling 360x350 jpg.jpg
          Consult instructions for use.png                          Consult instructions for use           UKCA labeling 360x350.png
          Temperature limit.png                          Temperature limit           Fcc logo.png
                  FCC ID:2BAIF-ECG200
          IP67.png                          Protection against ingress of water or particulate matter
          Weee logo.png

Additional information

Product page

Update changelog

Latest update changelog can be found on: Update changelog

TeltoCare manual

Latest TeltoCare manual can be found on: TeltoCare First Start


Pdf icon.png TeltoHeart Quick Manual (EN) (Updated on: 2024-02-09)
Pdf icon.png TeltoHeart Quick Manual (LT) (Updated on: 2024-02-09)
Pdf icon.png TeltoHeart flyer short version (EN) (Updated on: 2024-02-07)
Pdf icon.png TeltoHeart flyer long version (EN) (Updated on: 2024-02-07)

TeltoHeart mobile application

Download on the App Store.png Download on the Googleplay.png

Promotional material

TeltoHeart Promotional material


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