# Oura Ring 4

> A sleep and health tracker in a titanium ring.

Source: https://buytechwithcrypto.com/product/oura-ring-4

Price: $400.00 (item $349.00 plus a $51.00 service fee), before shipping and any tax.

A titanium ring that tracks sleep, heart rate and temperature. Tell us your size after you pay; Oura's sizing kit helps if you are unsure. Some features need Oura's subscription.

- Material: Titanium
- Battery: Up to 8 days
- Subscription: Optional, for some features