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OURA

Oura Smart Ring 4 - Black - Size 9 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible

Category: Sports & Outdoors ASIN: B0D9WTFDBF In the catalogue since

Oura Smart Ring 4 - Black - Size 9 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible

Availability

Only 2 left in stock.

Current price £239.00 349.00 £ −32% You save 110.00 £ Amazon RRP Retrieved on 28/10/2026 · prices subject to change
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Product features

  1. Compact and intelligent design for comfortable everyday wear
  2. Advanced health monitoring capabilities, including heart rate, sleep patterns, and activity tracking
  3. Long battery life with convenient wireless charging
  4. Seamless smartphone app integration for detailed health and activity analytics
  5. Available in multiple finishes and sizes for personalized style

Specifications

Type
Wireless
Format
Electronics
Model
JZ90-54144-09
Warranty
3 year manufacturer warranty
Language
Spanish

Other variants

Same product in another size, colour or pack. Current price of each.