New prices
€30
– €88
FKGZJF Smart Ring with Health and Fitness Tracking
For the active professional who wants health insights without the bulk of a watch, this smart ring fits seamlessly into your day. It tracks workouts like morning runs or yoga sessions, monitors sleep without disrupting rest, and offers 24/7 heart rate, blood oxygen, and HRV monitoring. With a battery lasting up to 5 days and a portable charging case for extended use, it's a discreet tool for health and convenience. Compatible with iPhone and Android. No subscription fees required.
- 3 offers
- No subscription fee
- Size: 2 variants
Used prices
€30
Price spread
~190%
Across listed offers
Customer rating
10 ratings
Available offers (3)
Choose an offer, then open its detail page for seller-specific information.
Gold, Size 6# (US size 6.5 approx)
Retailer
Available to order
- Size
- 6# (US size 6.5 approx)
Silver, Size outer circumference
Retailer
Available to order
- 24-hour heart rate monitoring
- Blood oxygen tracking
- HRV monitoring
Offer comparison
Compare prices, availability, and key variant differences in one table.
| Feature | Gold, Size 8 | Gold, Size 6# (US size 6.5 approx) | Silver, Size outer circumference |
|---|---|---|---|
| Price | €87.93 | €53.27 | €30.27 |
| Updated | Apr 23, 2026 | May 20, 2026 | Oct 2, 2026 |
| Availability | Available to order | Available to order | Available to order |
| Size | 8 | 6# (US size 6.5 approx) | — |
Similar products comparison
| This model | Recommendations | |||||
|---|---|---|---|---|---|---|
|
Smart Ring with Health and Activity Tracking Gold 24-hour heart rate monitoring
|
Smart Ring Silver Heart rate monitoring
|
Smart Fitness and Activity Ring
|
VIVIYO 9 Matte Gold Tracks sleep and activity
|
Smart Ring with Fitness Tracker Heart Rate Monitoring
|
Smart Ring with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen for iOS and Android, No Subscription Fee, IP68 Waterproof Health Tracker (Silver, 10)
|
|
| Brand | FKGZJF | TYUIOL | Secofy | VIVIYO | DSHKISK | Free Shark |
| Color |
|
|
|
|
||
| Rating |
|
|
|
|
|
|
| Price | €53.27 | €21.30 | €48.84 | €35.52 | €35.52 | €44.40 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 20, 2026 | May 29, 2026 | Jun 24, 2026 | May 29, 2026 | Jun 24, 2026 | May 20, 2026 |
| Size | 6# (US size 6.5 approx) | 9 | Size 8 | 9 (US) | 10 | |
| Battery Life | 3-5 days (ring), 60 days (with charging case) | 5 to 7 days, Charging time: 1.5 hours, Includes charging case | Unspecified | Long Battery Life | 5 days, Up to 30 days with charging case | |
| Compatibility | Android 4.4+, iOS 8.4+ | Android, iOS | iOS and Android (unspecified) | iOS, Android | ||
| Sleep Tracking | Automatic, Deep sleep, Light sleep | Precision Sleep Tracking, Records deep, light, and interrupted sleep patterns, Generates daily, weekly, and monthly sleep reports | Deep sleep, Light sleep, Awake time, Daytime naps | |||
| Weight | 0.01 lbs | Lightweight (unspecified) | Not specified | |||
| Material | Lightweight | Hypoallergenic | Not specified | |||
| Dimensions | 0.55 x 0.83 x 0.1 in | 6.5mm slim profile | Not specified | |||
| Water Resistance | IP68 | Unspecified | IP68 | |||
| Health Monitoring | Heart rate, Blood oxygen (SpO2), Stress levels, Heart rate variability, Does not measure blood pressure | Heart Rate, SpO₂, HRV, Stress, Sleep Tracking, Activity Tracking, Women Health (Menstrual Cycle) | Heart Rate, SpO2, Blood Pressure, Sleep Monitoring, Heart Rate Variability | |||
When this device makes sense
Product confidence
Reviews
There are no text reviews yet. If you have experience using this product, please leave a review. It will help other people decide whether this product is right for them.