1. Comprehensive 24/7 Health Monitoring

Track Vital Metrics Like Never Before
The J2301A Smart Health Ring leverages a PPG sensor and somatosensory temperature sensor to deliver precise real-time heart rate (HR), blood oxygen saturation (SpO2), and body temperature insights. Monitor your sleep stages (deep, light, REM) and receive detailed reports on sleep quality. With 15-day onboard data storage, your health trends are always accessible, even without immediate syncing.

2. Advanced Fitness & Activity Tracking

From Steps to Calories: Your Fitness Companion
Equipped with a 3D accelerometer, this ring accurately tracks daily steps, distance traveled, and calories burned. Set personalized fitness goals, visualize progress via daily/weekly/monthly reports, and stay motivated. Whether you’re running, swimming, or hiking, the 5ATM waterproof rating ensures reliability in any environment.

3. Premium Design & Durability

Sleek, Lightweight, Built to Last
Choose between the 316 stainless steel standard version or upgrade to the luxury pure titanium model for unmatched comfort and hypoallergenic properties. At just 8.0mm wide and 2.85mm thin, this ring blends seamlessly into daily wear. The 14.5–21.5mAh lithium polymer battery offers flexible usage, with standby time varying by size, and supports fast charging for minimal downtime.

4. Smart Connectivity & App Integration

Sync, Analyze, Optimize
Pair the J2301A via Bluetooth 5.0 to the companion app (Android 5.0+/iOS 10.0+) for real-time data visualization and OTA firmware updates. Even offline, the ring records metrics like HR and SpO2, syncing seamlessly once reconnected. Customize alerts, view trends, and export reports to refine your wellness strategy.

Note: This product is not a medical device. Data is for informational purposes only.

Product information:
Product Name: Youhong J-Stylelife smart fingertip medical Ring ((Model: J2301A)
App Support: Android 5.0 and above, IOS 10.0 and above
PPG sensor: hardware specifications
Somatosensory temperature sensor 3D accelerator: ultra-low consumption Bluetooth chip
Material: Standard version is 316 stainless steel, high-end version can choose pure titanium
Size: width 8.0mm, thinness 2.85/2.9mm
OTA support: supports Bluetooth OTA
Battery: rechargeable lithium polymer battery 14.5-21.5mAh (depending on ring shank size)
Waterproof grade: 5ATM
Data storage time: 15 days

Packing list:
Intelligent Health Ring * 1