TeltoHeart First Start

From Wiki

Contents of the box

Charging dock used to charge TeltoHeart TeltoHeart with strap attached Instructions with easy-to-understand illustrations.
  • 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

1. Insert a USB Type-C cable into the charging dock.
Chargingdock insert.jpg
2. To recharge, place TeltoHeart on the charging dock, which is included in the packaging.
Chargingdock top.jpg

Chargingdock teltoHeart.jpg

Chargingdock connected.jpg

The battery life can last for a maximum of 24 hours.



Start using TeltoHeart

How to Use TeltoHeart
1. To activate TeltoHeart, press and hold the button for not less than 10 seconds until the device screen powers on.
2. When TeltoHeart is turned on for the first time, it will prompt to download MyHealth application.
3. You will be able to locate TeltoHeart on the MyHealth application as its name will be displayed on the TeltoHeart screen.
4. Visit Teltoheart to download the MyHealth application or scan the QR code below. Alternatively, you can explore the iOS app store or Google Play store and search for the MyHealth 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.
App-qr.png Scan the QR code to download the MyHealth application
5. After installing the app, tap Myhealth-0.png icon to open the app.
If it is your first time using the app, sign-in by entering your email address and the password, which has been sent to your email. Tap Log in to proceed.
6. MyHealth application will prompt you to change the default password to a personal preferred password of your choice.
7. 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 before proceeding.
8. Once signed-in, the MyHealth application will ask for Bluetooth permissions. Tap Allow to let the application use Bluetooth connection.

How to Pair TeltoHeart with MyHealth Application
1. Tap Pair device to proceed with the pairing process.
2. MyHealth application will initiate a search for nearby devices.
3. Select your smart wearable by tapping on it.
4. TeltoHeart will notify you of an incoming pair request.
5. When prompted to do so, enter the passkey shown on your TeltoHeart into the Bluetooth pairing request window in the MyHealth application.
6. TeltoHeart will notify you about a successful pair with the MyHealth application.
7. Make sure MyHealth 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 MyHealth 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 MyHealth 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

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

Wrist.png ECG1.png

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

Abdomen.png ECG2.png

4. 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.

Finger.png ECG3.png

5. 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.


6. The recording lasts for 60 seconds.
7. 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 MyHealth 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

1. Open a web browser and go to the URL TeltoCare

2. Enter your login details in the login field.

Note icon.png Please note:

MyHealth application and TeltoCare share the same login details.


3. Click the Log in button to access your TeltoCare account.
4. Once logged in, you will be directed to the Patient Dashboard, where you can view various patient-related information.
5. Look for the Electrocardiogram section.
6. Review the ECG recordings displayed in the Patient Dashboard to access the relevant data related to the patient's electrocardiogram.
7. 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 MyHealth 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 MyHealth application enables you to trigger the data transfer process and ensure the availability of your ECG measurements in the TeltoCare platform.


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 or TPE rubber with an integrated stainless-steel electrode  
Strap material:  Silicone or TPE

Band with electrode (W x L x H):  22 x 115 x 3 mm
Band with buckle (W x L x H):  22 x 75 x 3 mm

  • 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: 

Charging temperature range:

Storage temperature range:

  • -10 to +45 ℃
  • 0 to +35 ℃
  • -20 to +35 ℃


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:
MyHealth 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

Symbol Description
Manufacturer.png                          Manufacturer
Consult instructions for use.png                          Consult instructions for use
Temperature-limit.png                          Temperature limit
IP67.png                          Protection against ingress of water or particulate matter

Additional information

All newest certificates may be found in our Wiki page1.

1 Certifications and Approvals