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Arrivals/Restock
Heart rate monitoring, Blood oxygen monitoring, Pressure monitoring, HRV Lorenz scatter plot, Step counting Exercise, Remote care, 24/7 scientific sleep, Photo taking, Blood components (Black, 9)
4.6 (91 items)
Limited Time SaleUntil the end
08
12
11
US$11.40 cheaper than the new price!!
Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Free cash-on-delivery fees for purchases over $99
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Used US$7.60
Product details
| Management number | 250138927 | Release Date | 2026/09/17 | List Price | US$7.60 | Model Number | 250138927 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- CLEARANCE: 87% OFF! Was $149.
- ZERO Subscription, Free APP: Enjoy full access to all smart features – no monthly fees, no hidden costs. Our app is free forever, directly paired with your physical ring. No membership tiers, no annual commitments.
- Main Function Parameter: Heart rate monitoring, Blood oxygen monitoring, Pressure measurement, HRV Lorenz scatter plot, Step counting Exercise, Remote care, 24/7 scientific sleep, Photo taking, Blood components, Dynamic heart rate measurement, Blood oxygen saturation measurement, Pedometer/calorie expenditure, Surface temperature detection, Offline data recording
- System requirements: Android 8.0 and higher versions; IOS13.0 and higher Charging method: Magnetic suction charging Battery life duration: Around 1 week Charging time: 1.0 hour Bluetooth distance: 3-5 meters
- Product material: Epoxy resin, metal Ring weight: 3 - 5 grams Battery: Lithium Polymer Battery Communication method: Bluetooth Waterproof Level: IP68
| ASIN | B0GTV24NY5 |
|---|---|
| Brand | JKLY |
| Color | Black |
| Shape | Round |
| Model Name | R20 |
| Style Name | Modern |
| Closure Type | Magnetic |
| Display Type | No Display |
| Manufacturer | JKLY |
| Model Number | R20 |
| BuiltIn Media | Charging Cable, Manual, Smart ring |
| Warranty Type | Extended to one year |
| Target Audience | Men, Unisex Adults, Women |
| Metrics Measured | Heart Rate Monitor |
| Operating System | Android, iOS |
| Battery Cell Type | Lithium Polymer |
| Waterproof Rating | IP68 |
| Case Material Type | Titanium |
| Compatible Devices | Smartphone, Tablet |
| Additional Features | Controlling photography, video switching, Finger temperature tracker, Fitness tracking, Sleep Monitor, Stress tracking |
| Warranty Description | Six-month warranty |
| Wireless Compability | Bluetooth |
| Age Range Description | Adult |
| Communication Feature | Bluetooth |
| Human Interface Input | Gesture |
| Supported Application | Sleep Monitor |
| Water Resistance Depth | 50 feet |
| Water Resistance Level | Waterproof |
| Wearable Computer Type | Smart Ring |
| Compatible Phone Models | Android Devices, iOS Devices |
| Connectivity Technology | Bluetooth |
| GPS Geotagging Functionality | GPS Via Smartphone |
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Heart Rate Monitors
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