OURA Ring 4 Smart Ring Size 9

Name: Ring 4 智能戒指 9号
Price: 349.00 USD
Availability: InStock

Powered by Smart Sensing with over 50 health metrics tracked / accurate continuous data day and night; Up to 8 days of battery life with no screens and no vibrations; More comfortable and fits better than ever for 24/7 wear

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amazon now offers Oura Ring 4 Smart Ring | multiple colors available, up to $340.49 (originally $349.99).
Prime members get free two-day shipping, and regular members get free shipping on orders over $35 within the contiguous U.S.

Specifications

Brand OURA
Model Ring 4
Use Scenarios Sleep Tracking / Fitness / Daily Wear / Recovery & Stress Management
Color Stealth
Materials All-Titanium
Dimensions Size 9
Features Tracks sleep / activity / stress / heart health / and women's health metrics / Water Resistant / Designed for 24/7 Wear
Battery Life Up to 8 Days
Compatibility Compatible with iOS and Android, seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more
Membership First month of membership included with purchase, for new members only, subscription is 5.99/mo afterwards