4G health monitoring smartwatch for connected care programs
Built for B2B buyers, distributors and private-label wearable brands, this 4G smartwatch combines air-pump and air-cuff blood pressure measurement with ECG, heart-rate, blood-oxygen and temperature tracking. Nano SIM support enables 4G HD calling, while Bluetooth calling and the companion app give users flexible everyday connectivity.
The round 1.56-inch AMOLED display presents wellness readings, activity data and notifications in a clear, high-contrast interface. Family members or care teams can use the G Band app to share monitoring data and stay connected remotely.
Key features
- 4G HD calling with Nano SIM support, plus Bluetooth calling
- Oscillometric air-pump and air-cuff blood pressure measurement
- ECG, heart-rate, blood-oxygen and body-temperature monitoring
- AI-assisted wellness analysis, HRV, stress, sleep and sedentary reminders
- SOS emergency call function and remote family-care data sharing
- 1.56-inch 480 × 480 AMOLED display with full-touch control
- Multi-sport tracking, step count, calories, distance and weather display
- Magnetic charging with short-circuit protection
Technical specifications
| Display | 1.56-inch AMOLED, 480 × 480 resolution |
|---|---|
| Connectivity | 4G FDD/TDD, BLE 5.3, Bluetooth calling |
| 4G bands | FDD B1/B3/B5/B8; TDD B34/B38/B39/B40/B41 |
| Battery | 390 mAh high-density lithium polymer; 3–7 days use, up to 20 days standby |
| Dimensions | 56 × 50 × 15 mm |
| Materials | LDS and stainless-steel case; PC+ABS bottom shell; silicone or leather strap options |
| OS compatibility | Android 8 or later; iOS 13 or later |
| Languages | Multi-language watch and app support for international markets |
| App | G Band |
| Packaging | Watch, air cuff, strap, charging cable, manual, wrist scale and color box |
For distributors and private-label projects
SmartByHJ supports wholesale sourcing, OEM/ODM customization and market-ready wearable programs. Ask our team about color combinations, strap selection, packaging, app requirements, sample orders and production lead times through the B2B inquiry page. You can also browse our blood-pressure smartwatch collection for comparison.
Important use note
This product is designed for wellness tracking and communication support. Its readings are not a medical diagnosis and should not replace professional medical advice, a validated clinical device or emergency services. Users should follow the product manual and consult a qualified healthcare professional for health concerns.
