New prices
$52
– $99
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 variants
- No subscription fee
- Size: 3 variants
Used prices
$52
Price spread
~91%
Across new variants
Customer rating
20 ratings
Available variants (3)
Choose a variant, then open its detail page for seller-specific information.
Available to order
- Battery Life
- 3-5 days (ring), 60 days (with charging case)
- Charging Time
- 2 hours (ring)
- Size
- 6# (US size 6.5 approx)
Available to order
- Battery Life
- 3-5 days, 60 days with charging case
- Charging Time
- 2 hours
Variant 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 | $99.00 | $59.98 | $51.90 |
| Updated | Apr 23, 2026 | May 20, 2026 | Jun 3, 2026 |
| Availability | Available to order | Available to order | Available to order |
| Battery Life | 3–5 d | 3-5 days (ring), 60 days (with charging case) | 3-5 days, 60 days with charging case |
| Charging Time | 2 | 2 hours (ring) | 2 hours |
| Size | 8 | 6# (US size 6.5 approx) | — |
| Sport Modes | — | Running, Cycling, Skipping rope, Walking, Hiking, Yoga, Dancing, Golf | running, cycling, skipping rope, walking, hiking, yoga, dancing, golf |
Amazon live offers
Offers updated
Top live offer
$51.90
Used from
$51.90
Offer count
1+
| Seller | Condition | Price | Shipping | Updated | |
|---|---|---|---|---|---|
| Third-party seller FBA | Used - Like New | $51.90 | Free shipping | 6/3/26 | View offer |
View all offers on Amazon
Overview
Compare FKGZJF Smart Ring with Health and Fitness Tracking variants, pricing tiers and key differences.
Learn moreHow variants differ
- Battery Life
- Charging Time
- Size
Who each variant is for
- Start with your budget: the visible price spread across variants is about 91%.
Reviews
4.2 / 5
from 20 ratings
No written reviews yet
Product confidence
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