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⚠️ BRAND NEW — WITH CHARGER — NO BOX — NO CABLE ⚠️ 📏 KNOW YOUR SIZE BEFORE BUYING — SO WE CAN AVOID RETURNS 📏
Oura Ring sizing does not match standard jewelry ring sizes. Please size yourself first using a free Oura sizing kit ordered directly from Oura, or visit your nearest Best Buy — they will size you for free in-store.
Oura Ring 5 (Gen 5) Smart Ring Health Tracker
Sleep, Activity, Women\'s Health & AI Advisor — Compatible with Android & iOS
Product Overview
The Oura Ring 5 is Oura\'s smallest and lightest smart ring to date — 40% smaller in volume than the previous generation, while still delivering a full week of battery life. It\'s built with a fully titanium body, a redesigned sensing architecture, and 12 signal pathways for more accurate readings across more finger types and skin tones.
Key Features
- Sleep Tracking: In-depth sleep staging, sleep score, and nightly recovery insights
- Activity & Readiness: Daily activity, calorie burn, and readiness scores
- Heart Rate & HRV: Continuous heart rate and heart rate variability monitoring
- Temperature Sensing: Skin temperature tracking for cycle and illness insights
- Women\'s Health: Period prediction and cycle insights, with Natural Cycles compatibility
- Oura Advisor (AI): Personalized AI-powered health guidance based on your data
- Blood Oxygen (SpO2) Sensing
- Battery Life: Typically 6–9 days per charge; ~80 minutes to fully charge
- Water Resistance: IP68 rated, water-resistant to 100 meters
- Material: Titanium with scratch-resistant PVD coating
- Dimensions: 6.09mm width, 2.28mm thickness — noticeably slimmer and lighter than Oura Ring 4
- Connectivity: Bluetooth, works with the free Oura App on Android & iOS
What\'s Included
- 1 x Oura Ring 5 (Brand New / Never Worn)
- 1 x Charger
- ❌ No original retail box
- ❌ No charging cable included
📏 Sizing Chart — Oura Ring 5 (Sizes 6–13) Oura Size US Ring Size (approx.) Inner Diameter (mm) Inner Circumference (mm) 65.5 – 615.749.3 76 – 6.516.552.0 86.5 – 717.454.7 97 – 7.518.257.3 107.5 – 819.160.0 118 – 8.519.962.7 128.5 – 920.865.3 139 – 9.521.668.0
⚠️ Note: Oura sizing does not match standard US jewelry ring sizes exactly, and there are no half sizes. Oura Ring 5 uses a different internal sizing system than Oura Ring 4, so do not rely on a previous Oura ring size. The safest options are ordering a free official Oura Sizing Kit from Oura, or getting sized in person and for free at any Best Buy location.
Shipping & Returns
- 🚚 Same-day shipping if purchased before our daily cutoff time
- ↩️ 30-day return policy
- Please confirm your correct size before purchasing to help us both avoid a return
Oura® and Oura Ring® are registered trademarks of Ōura Health Oy. This listing is not affiliated with or endorsed by Oura.
