Introducing the J-Style Android 4G Sim Card Smart Watch with ECG PPG, a stylish and advanced smartwatch designed specifically for elderly people. With its 4G phone call capability, you can enjoy faster phone calling, lower consumption, and a more reliable connection. It supports Bluetooth and 4G/3G/2G networks, making it perfect for global travel. With just one smartwatch, you can stay connected wherever you go. 

But that's not all - this smartwatch also features wrist-based oximetry (SpO2), providing you with clinically validated oxygen saturation levels in just 30 seconds. The accuracy of the SpO2 readings has been tested against a medical-grade monitor, ensuring reliable and precise results. Whether you're a healthy individual or in a hypoxic state, this smartwatch will provide accurate readings to keep you informed about your health.

Not only is this smartwatch packed with features, but it also makes for a great trendy gift. It can be customized with a JOYbyART Gift Sticker or even personalized through OEM/ODM options. Experience the JOYbyART Lifestyle with this incredible smartwatch that combines style, functionality, and health monitoring all in one.

- Accurate heart rate tracking during workouts and continuous monitoring throughout the day and night
- Comparison of heart rate accuracy with popular smartwatches like Apple Watch, HUAWEI Watch, and Polar wrist
- Ability to monitor blood pressure, although it is for reference only due to hardware limitations
- HRV (Heart Rate Variability) monitoring to assess the user's activity level
- Automatic measurement and data storage when resting conditions are met
- 4 levels of HRV: Low, General, Good, Excellent
- 4 levels of stress: Calm, Moderate, Stressed, Severe
- Automatic sleep monitoring to provide a Sleep Score based on various sleep cycles and interruptions
- In-depth analysis of sleep depth and regularity
- All these features are available in the J-Style 2032 smartwatch.

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* Create for world health, joy, and peace 
* JOYbyART Gift Sticker: 1 MOQ 
* VIP Express Shipping: 2 MOQ 
* Custom Ad Sticker: 8 MOQ 
* Custom Logo/Graphics: 1000 MOQ 
* Custom Packaging: 1000 MOQ 
* Enjoy creating art by clicking "Start Design"
Note: Please buy standard products directly if customization is not required. If you need Expert Design and OEM/ODM/OBM VIP Service, Upload high-resolution logos/pictures via the paperclip icon (📎) of the chat window. Delivery time/cost varies. Discounts/rewards increase with larger orders.