Amazon [amazon.com] has for
Prime Members:
Oura Ring 4 Smart Ring, Size 8 (Ceramic, Various) on sale for
$279.30 Now From $246.05.
Shipping is free.
Note: First month of Oura membership is included with purchase, for new members only. Subscription is $5.99/mo afterwards.
From Merchant's Product Page:- Specs:
- Model: JZ90-57461-08
- Material: Ceramic (Tide colorway)
- Battery: 15.5 mAh Lithium Polymer
- Battery life: up to 8 days typical use; 5 days average
- Charge time: 80 minutes
- Water resistance: 100 meters
- Connectivity: Bluetooth; compatible with iOS and Android smartphones
- Display: None (no screen or vibrations)
- GPS: Via connected smartphone
- Size: 8 (uses unique Oura sizing; Oura Ring 4 Sizing Kit recommended before purchase)
- Includes:
- Oura Ring 4 (Ceramic Tide)
- Charging cable and charger
- Quick start guide and information booklet
- Features:
- Tracks over 50 health metrics: sleep, activity, stress, heart health, body temperature, menstrual cycle
- Smart Sensing technology for continuous data collection
- Activity tracker, cycle tracking, daily workout memory
- Integrates with Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, and other apps
- HSA/FSA eligible
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