Oura Ring 4 - Silver - Size 14 - Smart Ring - Size First with Oura Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up
The Oura Ring 4 is a versatile smart ring designed to monitor various aspects of health and fitness. With advanced sensors, including accelerometer, heart rate, PPG sensor, and temperature, it provides comprehensive tracking of sleep activity, heart rate, blood oxygen saturation, and menstrual cycle data. This device offers features like auto-activity detection, sleep recommendations, and a daily readiness score to optimize well-being. Recharge quickly with its lithium polymer battery in 80 minutes, and enjoy the convenience of wireless charging. The Oura Ring 4 is built to withstand different environments, operating in temperatures as low as -10°C and as high as 54°C. With a water-resistant design that withstands depths of up to 100 m, this smart ring combines durability with functionality, making it an ideal companion for various activities and conditions.
The Oura Ring 4 is a versatile smart ring designed to monitor various aspects of health and fitness. With advanced sensors, including accelerometer, heart rate, PPG sensor, and temperature, it provides comprehensive tracking of sleep activity, heart rate, blood oxygen saturation, and menstrual cycle data. This device offers features like auto-activity detection, sleep recommendations, and a daily readiness score to optimize well-being. Recharge quickly with its lithium polymer battery in 80 minutes, and enjoy the convenience of wireless charging. The Oura Ring 4 is built to withstand different environments, operating in temperatures as low as -10°C and as high as 54°C. With a water-resistant design that withstands depths of up to 100 m, this smart ring combines durability with functionality, making it an ideal companion for various activities and conditions.
The Oura Ring 4 is a versatile smart ring designed to monitor various aspects of health and fitness. With advanced sensors, including accelerometer, heart rate, PPG sensor, and temperature, it provides comprehensive tracking of sleep activity, heart rate, blood oxygen saturation, and menstrual cycle data. This device offers features like auto-activity detection, sleep recommendations, and a daily readiness score to optimize well-being. Recharge quickly with its lithium polymer battery in 80 minutes, and enjoy the convenience of wireless charging. The Oura Ring 4 is built to withstand different environments, operating in temperatures as low as -10°C and as high as 54°C. With a water-resistant design that withstands depths of up to 100 m, this smart ring combines durability with functionality, making it an ideal companion for various activities and conditions.
The Oura Ring 4 is a versatile smart ring designed to monitor various aspects of health and fitness. With advanced sensors, including accelerometer, heart rate, PPG sensor, and temperature, it provides comprehensive tracking of sleep activity, heart rate, blood oxygen saturation, and menstrual cycle data. This device offers features like auto-activity detection, sleep recommendations, and a daily readiness score to optimize well-being. Recharge quickly with its lithium polymer battery in 80 minutes, and enjoy the convenience of wireless charging. The Oura Ring 4 is built to withstand different environments, operating in temperatures as low as -10°C and as high as 54°C. With a water-resistant design that withstands depths of up to 100 m, this smart ring combines durability with functionality, making it an ideal companion for various activities and conditions.
in 22 offers
The lowest price for Oura Ring 4 - Silver - Size 14 - Smart Ring - Size First with Oura Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up right now is $471.65 at Amazon.com.au, compared across 3 retailers.
The all-time low was $349.00 on 23 Apr 2026 — today's price is 35% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 16 June 2026.
Last updated at 16/06/2026 04:01:40
Oura Ring 4 - Silver - Size 11 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to
Free delivery
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Oura Ring 4 - Silver - Size 7 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Oura Ring 4 - Silver - Size 6 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Oura Ring 4 - Silver - Size 10 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Oura Ring 4 - Brushed Silver - Size 6 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker -
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Oura Ring 4 - Brushed Silver - Size 8 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker -
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Oura Ring 4 - Brushed Silver - Size 10 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Oura Ring 4 - Brushed Silver - Size 7 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker -
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Oura Ring 4 - Brushed Silver - Size 11 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Oura Ring 4 - Silver - Size 8 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| Battery cell composition | Lithium Polymer |
| Compatible devices | Smartphone |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Includes Rechargeable Battery | Yes |
Oura Ring 4 - Silver - Size 11 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Oura Ring 4 - Silver - Size 7 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Oura Ring 4 - Silver - Size 6 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Oura Ring 4 - Silver - Size 10 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Oura Ring 4 - Brushed Silver - Size 6 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker -
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| Battery cell composition | Lithium Polymer |
| Compatible devices | Smartphone |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Includes Rechargeable Battery | Yes |
