Oura JZ90-54218-11 Smart Ring: Accurate biometric tracking
Meet the Oura Ring 4—your wrist's new best friend and the coolest upgrade in smart ring tech. Crafted from all-titanium, it's tough enough to handle your daily grind but gentle enough for even the most sensitive skin (no rash guarantees, but we're pretty confident). Thanks to Smart Sensing, it's like having a mini health lab on your finger, tracking everything from how well you slept last night to whether you're stressing over that deadline (we've all been there).
Forget charging every night; this bad boy lasts up to 8 days on a single charge. And with no screens or buzzes to distract you, it's all about keeping you in the moment. Plus, it plays nice with over 40 apps—Apple Health, Google Health Connect, Strava, you name it. Oh, and here's a sweet perk: it's HSA/FSA eligible, so your health investment just got smarter.
Before you jump in, though, grab the Oura Ring 4 Sizing Kit to make sure it fits just right (because one size does not fit all, despite what some socks claim). And yes, your first month of Oura Membership is on us, packed with insights to keep you on top of your health game.
Features
- Up to 8 days battery life
- All-titanium design
- Water resistant
- Syncs with 40+ apps
- HSA/FSA eligible
- Accurate biometric tracking
General specs
- Brand: Oura
- Model: JZ90-54218-11
- Seller: Amazon
- ID: B0D9WWHXHH
- product_dimensions: 0.98 x 0.98 x 0.31 inches
- item_weight: 6.3 ounces
- batteries: 1 Lithium Polymer batteries required. (included)
- connectivity_technologies: Bluetooth
- gps: No GPS
- other_display_features: Wireless
- human_interface_input: Touchscreen
- whats_in_the_box: Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide
- manufacturer: Oura
- country_of_origin: Estonia
- date_first_available: October 3, 2024
- First listed by seller: 7/19/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
#publicidad
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Oura JZ90-54218-11 Accurate biometric tracking
|
Oura JZ90-1003-06 Sleep tracking wearable
|
Oura JZ90-1003-09 Sleep Tracking
|
Oura JZ90-54217-11 Sleep tracking wearable
|
Oura JZ90-1003-08
|
POBOVi Ring OnePlus Sleep skin temperature monitoring
|
|
| Brand | Oura | Oura | Oura | Oura | Oura | POBOVi |
| Model | JZ90-54218-11 | JZ90-1003-06 | JZ90-1003-09 | JZ90-54217-11 | JZ90-1003-08 | Ring OnePlus |
| Color | ||||||
| Rating |
|
|
|
|
|
|
| Price | $399.00 | $299.91 | $279.00 | $349.00 | $214.26 | $119.00 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 |
| item_weight | 6.3 ounces | 7 ounces | 0.25 Pounds | |||
| country_of_origin | Estonia | Estonia | China | |||
| Product Dimensions | 1.1 x 1.1 x 0.28 inches | 0.94 x 0.94 x 0.28 inches | 0.91 x 0.91 x 0.28 inches | |||
| Item Weight | 7.8 ounces | 7.8 ounces | 8 ounces | |||
| Batteries | 1 Lithium Ion batteries required. (included) | 1 Lithium Ion batteries required. (included) | 1 Lithium Ion batteries required. (included) | |||
| Other Display Features | Wireless | Wireless | Wireless | |||
| Department | unisex-adult | unisex-adult | unisex-adult | |||
| Manufacturer | Oura | Oura | Oura | |||
| Country of Origin | Estonia | Estonia | Estonia | |||
| Date First Available | January 19, 2024 | January 19, 2024 | January 19, 2024 | |||
