ESTG JA03 Smart Watch with ECG and Blood Analysis: ECG measurement
These aren't your average smartwatches—they're like having a mini doctor on your wrist (minus the white coat). Perfect for men and women who mean business about their health, they pack in everything from ECG measurement to keeping an eye on your blood uric acid and blood lipids. Because who doesn't want to know if their lunch is plotting against them? And with an SOS emergency call feature, it's got your back when things go south. Plus, the AI voice assistant and Bluetooth calling mean you can chat hands-free, because multitasking is the name of the game.
Oh, and did we mention it comes in a sleek black? Because looking good while tracking your health is totally a thing.
Features
- Blood uric acid monitoring
- Blood lipids tracking
- SOS emergency call
- AI voice assistant
- Bluetooth calling
- ECG measurement
General specs
- Brand: ESTG
- Model: JA03
- Seller: Joom
- ID: 67ade59590280901aa9b6bd8
- Health Monitoring: ECG, Blood uric acid, Blood lipids
- Connectivity: Bluetooth
- Special Features: SOS emergency call, AI voice assistant
- Design: Unisex, Black
- First listed by seller: 5/23/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$47.57
Last price update: 8/13/25
Out of stock
Price History for seller Joom
| Date | Price |
|---|---|
| 8/13/25 | $47.57 |
| 5/23/25 | $43.61 |
Shipping options
Delivery to 
United States
United States
Unavailable
Comparison with similar products
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Fitbit 6514034 All-day stress detection with cEDA
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| Brand | ESTG | Fitbit | ||||
| Model | JA03 | ET475 | ET480 | E800 | ET570 | 6514034 |
| Color | ||||||
| Rating |
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| Price | $47.57 | $60.53 | $50.43 | $49.93 | $50.43 | $224.00 |
| Seller | Joom | Banggood | Banggood | Banggood | Banggood | Amazon |
| Update | August 8, 2025 | December 9, 2025 | December 9, 2025 | December 9, 2025 | December 9, 2025 | December 6, 2025 |
| Special Features | SOS emergency call, AI voice assistant | Information Reminder, Bluetooth Call, Call Reminder, Message Reminder, APP Notification, Health Heart Rate Monitor, Blood Pressure Monitor, Blood Oxygen (SpO2) Monitor, ECG Testing, Mini Health Examinations, Non-invasive Blood Glucose Measurement, Blood Composition Analysis, Body Composition Assessment, Metabolic Function Tracking, SOS Emergency Calling, Breathing Training, Women's Health, Emotional Detection, Fatigue Level Assessment, Body Temperature Monitor, Sleep Monitor, Sedentary Reminder, Exercise and Record, Multiple Sports Modes, Calorie Distance Step Count, Application Music Control, Camera Control, Alarm Clock, Stopwatch, Weather, Custom Dial, Dial Market, Brightness Adjustment, Find Phone, Do Not Disturb Mode | Information Reminder, Bluetooth Call, Call Reminder, Message Reminder, APP Notification, Health Dual Probe Laser Health Therapy Function, Heart Rate Monitor, Blood Pressure Monitor, Blood Oxygen (SpO2) Monitor, ECG Electrocardiogram Function, Non-invasive Blood Glucose Measurement, Uric Acid Measurement, Blood Lipid Monitoring, HRV AI Medical Diagnosis, SOS Emergency Call, Sedentary Reminder, Sleep Monitor, Exercise and Record, Multiple Sports Modes, Calorie Distance Step Count, Application Music Control, Camera Control, Alarm Clock, Stopwatch, Weather, Custom Dial, Dial Market, Brightness Adjustment, Find Phone, Do Not Disturb Mode | |||
| Bluetooth Version | 5.3 BLE | BT5.2 | BLE5.0 | BT5.0 | ||
| Compatible OS | Android 8.0 and above, Apple IOS 12.0 and above | Android 4.4 and above, Apple IOS 8.2 and above | Android 6.0 and above, Apple IOS 11.0 and above | Android 4.4 and above, Apple IOS 8.2 and above | ||
| Operating Mode | Full Touch | Full Touch | Full Touch | |||
| System Language | Chinese, Traditional Chinese, English, Japanese, Korean, Russian, German, Spanish, Italian, French, Portuguese, Polish, Czech | Chinese, English, Japanese, Russian, German, Spanish, Italian, French, Portuguese | Chinese, English, Traditional, Japanese, French, German, Italy, Korean, Portuguese, Spanish, Polish, Russian | |||
| Waterproof | IP68 | IP68 | IP68 | |||
| Screen Size | 1.43 inch | 1.49 inch | 1.96 inch | |||
| Material | AMOLED | AMOLED | IPS TFT | |||
| Resolution | 466*466 pixels | 466*466 pixels | 360x360 pixels | |||
| Battery Capacity | 300mAh | 350mAh | 340mAh | |||
| Standby Time | About 20-25 days | About 30-40 days | About 20 days | |||
Smart Watch with ECG and Blood Analysis
$47.57
