Sleep Wearable Form Factor
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Oura JZ90-54217-10 Silver, size 10 Ring 4 Silver Size 10
Available offers (8)
Current
Silver, size 10
Retailer
€310.58
Available to order
Price history by offer
Volatility: MediumFeatures
- Tracks 50+ health metrics
- Up to 8 days battery life
- Smart Sensing adapts to you
- First month membership included
- HSA/FSA eligible
General specs
- Brand: Oura
- Model: JZ90-54217-10
- Seller: Retailer
- ID: B0D9WT1S2T
- Size: 10
- Brand: OURA
- Model: Oura Ring 4
- Width: 1.0629921249 inches
- Height: 0.2755905509 inches
- Length: 1.0629921249 inches
- Sizing: Uses unique sizing, use Oura Ring 4 Sizing Kit
- Weight: 0.3968320716 pounds
- Battery Life: Up to 8 days
- Release Date: 2024-10-15T00:00:01Z
- Subscription: First month free, then $5.99/mo or $69.99/year
- Health Metrics: Tracks over 50 metrics including sleep, activity, stress, heart health, women's health
- Number of Items: 1
- HSA/FSA Eligible: Yes
- Sensing Technology: Smart Sensing
- First listed by seller: May 29, 2025
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
Shipping options
Delivery to 
United States
United States
Available
Designed for anyone wanting deeper health insights without another screen. This silver Oura Ring 4 in size 10 tracks over 50 metrics, including sleep, activity, stress, and heart health. You wear it 24/7, barely noticing its presence. Smart Sensing technology adapts to your unique finger, delivering accurate data all day and night.
The ring works hardest while you sleep. It captures your sleep stages, heart rate variability, and nightly skin temperature. Morning reports reveal how your night affects your day. That afternoon energy dip? You trace it back to a restless night. With consistent use, you learn to tweak your bedtime, activity, and relaxation for better outcomes.
Battery life lasts up to eight days. Charge it during your shower and wear it uninterrupted. The ring never vibrates or lights up. It collects and synthesizes without interruption. Use pre-tax HSA or FSA funds to invest in your wellness. Order the free sizing kit first. Standard ring sizes do not apply here. Your purchase includes a one-month Oura membership trial, then $5.99 monthly.
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| Brand | Oura | Victormont | UniJethro | Oura | Herz | TIAZUUX |
| Model | JZ90-54217-10 | Gen-11 | SR11M | JZ90-1003-06 | P1 | Smart Ring |
| Rating |
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| Price | €310.58 | €88.98 | €35.59 | €299.21 | €53.39 | €53.39 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Jun 24, 2026 | Mar 21, 2026 | May 29, 2026 | Mar 21, 2026 | May 9, 2026 | May 3, 2026 |
| Battery Life | Up to 8 days | 20 days with wireless charging case | 5-7 days | |||
| Item Weight | 5.3 ounces | 7.8 ounces | 0.127 ounces | 2.9 Grams | ||
| Package Dimensions | 3.98 x 3.94 x 1.85 inches | 15.55 x 12.56 x 9.33 inches | 3.54 x 3.15 x 1.49 inches | |||
| batteries | 1 Lithium Ion batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | |||
Oura JZ90-54217-10 Silver Tracks 50+ health metrics
€310.58
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