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Anhui Huami Healthcare Co.,Ltd. 

  Please read this instruction manual thoroughly before using the unit. Please keep 

for future reference. 

 

Caution for Prescription use: 

Federal law restricts this device to sale by or on the order of a physician. 

 

1.  Indications for Use 

Midong Health Watch (ECG Recorder) is designed to create, record, store, transmit, and 

display single-channel electrocardiogram (ECG) rhythms similar to Lead I ECG. The 

Midong Health Watch can also display ECG rhythms and detect the presence of AF (when 

prescribed by a doctor or used). Midong Health Watch is for healthcare professionals, 

adult patients with known or suspected AF, and health-conscious adults. 

 

Midong Health Watch is not intended for use by people under 22 years old. 

 

The device communicates with iOS or Android App after binding. If abnormal binding and 

unbinding occur, please contact the manufacturer in time to confirm. 

 

2.  Product Description 

Midong Health Watch is a Bluetooth-based (transmission by Bluetooth LE) ECG 

(electrocardiogram) event recorder that records, stores, and transfers single-channel 

electrocardiogram rhythms. 
The device is designed to capture a user’s ECG data and transmit the data via Bluetooth 
to an iOS or Android mobile phone, which transmits the ECG data over the network to the 

Cloud servers.   

The device consists of wristband, Midong Health Watch, the embedded software (installed 

on the Midong Health Watch), mobile phone application (

Amazfit Health

 

app 

installed on 

the mobile phone), and charging cable. 

Amazfit Health app

 can store thousands of 

recordings on a mobile phone, and these recordings are also accessible to authorized 

users on Cloud servers. 

All ECG data is synced with the user’s account on the 

Amazfit 

Health app

. After a user has created an account on the 

Amazfit Health app

, users can 

view real-time ECG waveforms during recording or review historical data through their 

Amazfit Health app

 user accounts. The data can be stored locally on the mobile phone 

and transmitted to the Cloud servers for analysis and assessment by qualified 

professionals.   

A typical configuration is to record 60 seconds of ECG per event. 

The device is placed on the wrist for a single-channel ECG rhythm recording. 

   

The heart rate is for general wellness only, not for diagnostic use. Do not make any 

reference to diseases or conditions. 

 

3.  General Safety Precautions 

-

 

The device should not be used in the shower or bath, or any activities like swimming 

Summary of Contents for JHS20W2

Page 1: ...Anhui Huami Healthcare Co Ltd User Manual Version 0 2 Amazfit Health Watch JHS20W2 Anhui Huami Healthcare Co Ltd...

Page 2: ...gned to capture a user s ECG data and transmit the data via Bluetooth to an iOS or Android mobile phone which transmits the ECG data over the network to the Cloud servers The device consists of wristb...

Page 3: ...re the device with another person to avoid cross infection If the device is not to be used for a long time please fully charge the battery and recharge it every 2 months to prevent the battery from ov...

Page 4: ...produce is not allowed to be used together electrosurgical instruments To keep the device away from fire do not heat it otherwise the internal battery may explode 5 Warning MR unsafe This device is N...

Page 5: ...Bluetooth 4 2 Android Operating System versions 4 4 or later iOS 10 0 or later 8 2 Unpack the Midong Health Watch Remove the Midong Health Watch from the box Midong Health Watch 8 3 Charging Charge th...

Page 6: ...tion if necessary 8 6 Connect the Midong Health Watch to mobile phone Turn on the mobile phone Bluetooth and connect the Midong Health Watch following the instructions presented when opening the Amazf...

Page 7: ...just the wristband to the appropriate tightness so that the electrode sensors contact the skin 9 2 3 Rest your right forefinger on the front electrode Press your right forefinger with enough force to...

Page 8: ...l profile open the menu bar by pressing the button on the upper left corner and then click on the portrait area In the personal profile page nickname sex date of birth height and weight can be modifie...

Page 9: ...to change the network environment switch to WiFi 4G 15 Specifications Performance characteristics ECG Channels Single Channel Input Dynamic Range 10 mV Peak to Peak Memory length Practically unlimited...

Page 10: ...it could result in improper operation If such use is necessary this equipment and the other equipment should be observed to verify that they are operating normally In addition to the accessories prov...

Page 11: ...8 kV contact 15 kV air The table should be wood If the table is covered with synthetic material the relative humidity should be at least 30 Power Frequency 50 60 Hz magnetic field IEC 61000 4 8 Enclos...

Page 12: ...y Use only the transducers listed in Table 4 to minimize the chance of performance degradation due to these types of electromagnetic phenomena 17 3Recommended Separation Distance Table 3 provides guid...

Page 13: ...quipment could result 18 Equipment symbols Type BF Applied Part WEEE Properly Dispose of Electronic Waste Consult Instructions for Use User Manual Manufacturer Temperature Limits Operational Relative...

Page 14: ...t generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no gua...

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