Oura JZ90-54217-10 Ring 4

The Oura Ring 4 is a smart ring that tracks over 50 health metrics, including sleep, activity, and heart rate. With Smart Sensing adaptive technology and a no-screen, vibration-free design, it provides continuous health insights without distractions. It features an all-titanium, water-resistant construction for 24/7 comfortable wear. The ring delivers up to 8 days of battery life, requires the Oura sizing kit for accurate fit, and includes a 1-month membership trial for personalized guidance via the Oura App on iOS and Android.

  • 7 variants
  • Tracks 50+ health metrics
  • Size: 4 variants
New prices RUB 25,101 – RUB 29,116
Used prices RUB 21,161 – RUB 21,818
Price spread ~16% Across new variants
Customer rating 4.0 7,960 ratings

Available variants (7)

Choose a variant, then open its detail page for seller-specific information.

Ring 4 — Smart Ring, Oura
Price RUB 25,101.48
Updated Jun 14, 2026
Available to order
Width
0.9842519675 in
Length
0.9842519675 in
Size
8
View variant
Ring 4 Silver Size 10 — Smart Ring, Oura
Price RUB 25,467.07
Updated Jun 18, 2026
Available to order
Width
1.0629921249 inches
Length
1.0629921249 inches
Size
10
View variant
Price RUB 25,174.45
Updated Jun 16, 2026
Available to order
Width
1.0236220462 inches
Length
1.0236220462 inches
Size
9
View variant
Health & Fitness Smart Ring — Smart Ring, Oura
Price RUB 25,467.07
Updated Dec 6, 2025
Available to order
Width
1.1023622036 inches
Length
1.1023622036 inches
Size
11
View variant
Ring 4 - Black - Size 11 - Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You... — Smart Ring, Oura
Price RUB 25,467.07
Updated May 27, 2026
Available to order
Width
1.1023622036 inches
Length
1.1023622036 inches
Size
11
View variant
Ring 4 - Stealth - Size 11 — Smart Ring, Oura
Price RUB 25,467.07
Updated Jun 16, 2026
Available to order
Width
0.9842519675 inches
Length
0.9842519675 inches
View variant

Variant comparison

Compare prices, availability, and key variant differences in one table.

Feature Gold, Size 8 Silver, Size 8 Silver, Size 10 Silver, Size 9 Silver, Size 11 Black, Size 11 Stealth, Size 11
Price RUB 29,115.65 RUB 25,101.48 RUB 25,467.07 RUB 25,174.45 RUB 25,467.07 RUB 25,467.07 RUB 25,467.07
Updated Jun 10, 2026 Jun 14, 2026 Jun 18, 2026 Jun 16, 2026 Dec 6, 2025 May 27, 2026 Jun 16, 2026
Availability Available to order Available to order Available to order Available to order Available to order Available to order Available to order
Width 0.8661417314 inches 0.9842519675 in 1.0629921249 inches 1.0236220462 inches 1.1023622036 inches 1.1023622036 inches 0.9842519675 inches
Length 0.8661417314 inches 0.9842519675 in 1.0629921249 inches 1.0236220462 inches 1.1023622036 inches 1.1023622036 inches 0.9842519675 inches
Size 8 8 10 9 11 11
Color Gold Silver Silver Silver Silver Black Stealth
Health Metrics Sleep, Activity, Women's Health, AI Advisor, Stress, Heart Health, Metabolic Health Sleep, Activity, Stress, Heart Health, Metabolic Health, Women's Health Tracks over 50 metrics including sleep, activity, stress, heart health, women's health Sleep, Activity, Stress, Heart Health, Metabolic Health, Women's Health Tracks over 50 health metrics including sleep, activity, stress, heart health, metabolic health, and women's health
Model Oura Ring 4 Ring 4 Oura Ring 4 Oura Ring 4 Oura Ring 4 4
Height 0.2755905509 inches 0.2755905509 in 0.2755905509 inches 0.2755905509 inches 0.2755905509 inches 0.2755905509 inches 0.3149606296 inches
Membership First month included, then $7.99/month First month free, then $7.99/month First month free, then $7.99/month First month free for new members, then $7.99/month First month free, then $7.99/month

Amazon live offers

Offers updated

20 live offers
Top live offer RUB 25,101.48
New from RUB 24,809.60
Used from RUB 21,161.02
Offer count 20+
Seller Condition Price Shipping Updated
Third-party seller Used - Like New RUB 21,161.02 Free shipping 6/18/26 View offer
Third-party seller Used - Like New RUB 21,818.49 Free shipping 6/18/26 View offer
Third-party seller Used - Like New RUB 21,818.49 Free shipping 6/18/26 View offer
Third-party seller Used - Like New RUB 21,818.49 Free shipping 6/18/26 View offer
Third-party seller Used - Like New RUB 21,818.49 Free shipping 6/16/26 View offer
Third-party seller Used - Like New RUB 21,818.49 Free shipping 6/18/26 View offer
Third-party seller Used - Like New RUB 21,818.49 Free shipping 6/18/26 View offer
Third-party seller Used - Like New RUB 21,818.49 Free shipping 6/18/26 View offer
Third-party seller Used - Like New RUB 22,548.21 Free shipping 6/18/26 View offer
Third-party seller New RUB 24,809.60 Free shipping 6/18/26 View offer

Overview

Compare Oura JZ90-54217-10 Ring 4 variants, pricing tiers and key differences.

Learn more

How variants differ

  • Width
  • Length
  • Size

Who each variant is for

  • Start with your budget: the visible price spread across variants is about 16%.

Reviews

4.0 / 5 from 7,960 ratings
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Product confidence

Reviews

4.0
(7,960 ratings)

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