FKGZJF Smart Ring Smart Health Ring: Heart rate monitoring
For the active professional who wants health insights without the bulk of a watch, the FKGZJF Smart Health Ring offers discreet, 24/7 monitoring. It’s perfect for tracking daily activity and sleep patterns, especially if you’re juggling work and fitness goals. This isn’t just another fitness tracker—it’s a subtle companion that fits seamlessly into your lifestyle, providing peace of mind through continuous health data.
The ring automatically monitors your heart rate, blood oxygen, and HRV, giving you real-time updates on your phone. You’ll appreciate how it picks up subtle changes in your sleep quality, helping you adjust habits for better rest. With no subscription fees, you get lifetime access to detailed graphs and insights, making it easy to track progress over weeks or months. Its long battery life and portable charging case ensure it stays powered during travel, so you never miss a beat in your health journey.
Features
- Blood oxygen monitoring
- Sleep tracking
- Step tracking
- No subscription fee
- Long battery life
- Heart rate monitoring
General specs
- Brand: FKGZJF
- Model: Smart Ring
- Seller: Amazon
- ID: B0FT1KRJVN
- Size: 7#
- Brand: FKGZJF
- Sport Modes: Running, Cycling, Skipping Rope, Walking, Hiking, Yoga, Dancing, Golf
- Battery Life: 3-5 days on a 2-hour charge
- Product Type: Smart Health Ring, Fitness Tracker
- Compatibility: Android 4.4, iOS 8.4 or above
- Number of Items: 1
- Fees Subscription: No
- Ring Size Standard: US
- Extended Time Usage: 60 days
- Included Accessories: FKGZJF smart ring *1, 400 mAh charging case *1, Magnetic USB charge cable *1, Type C charge cable *1, Instruction *1
- Activity Features Tracking: Step Tracker, Calories Burned, Distance
- Health Monitoring Features: Heart Rate, Blood Oxygen, HRV, Sleep Tracker
- Case Charge Charging Cycles: 15 times
- Battery Capacity Charging Case: 400 mAh
- First listed by seller: 3/11/26
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Shipping options
Russia
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| Brand | FKGZJF | Homedepot | PJIVE | Oura | TolTales | |
| Model | Smart Ring | R12M | R9 | JZ90-54144-11 | 12 | |
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| Price | $59.98 | $118.28 | $39.99 | $349.00 | $107.05 | $108.03 |
| Seller | Amazon | Joom | Amazon | Amazon | Joom | Joom |
| Update | Mar 21, 2026 | Feb 12, 2026 | Mar 21, 2026 | Mar 21, 2026 | Mar 20, 2026 | Feb 14, 2026 |
| Battery Life | 3-5 days on a 2-hour charge | 3-5 days normal use, 7-10 days standby | 12 hours | |||
| Product Type | Smart Health Ring, Fitness Tracker | Smart Ring | Smart Ring | |||
| Compatibility | Android 4.4, iOS 8.4 or above | Android, iOS | Android 6.0+, iOS 11.0+ | App | ||
| Health Monitoring Features | Heart Rate, Blood Oxygen, HRV, Sleep Tracker | Blood Oxygen Monitor, Heart Rate Monitor, Sleep Monitor, Activity Tracker, Sleep Tracker | Heart Rate Monitor, Blood Oxygen Monitor, Blood Pressure Monitor, Sleep Tracker, Deep Sleep Tracking, Light Sleep Tracking, Eye Movement Tracking, Wakefulness Tracking | |||