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 53 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 $317.00 at Harvey Norman, compared across 10 retailers.
The all-time low was $197.84 on 22 June 2026 — today's price is 60% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 1 Nov 2026.
Last updated at 01/11/2026 15:30:02
Oura Ring 4 - Black - Size 10 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8
Free delivery
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Oura Ring 4 Silver - Size 9
Delivery between 5–10 Nov $7.95
OURA Ring 4 - Silver - Size 6 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Batt
Free delivery between 10–13 Nov
Oura Ring 4 Gold Size 8 - brand new in box
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 [Size 9] (Silver)
Delivery $8.99
Oura Ring 4 - Silver - Smart Ring - Size 4
Free delivery
Oura Ring 4 Smart Ring Silver 10
Delivery $18.99
Oura Ring 4 6 |iPhone/Android |:||8
Delivery between 7–10 Nov $29
Oura Ring Generation 4 Smart Ring - Black - Size 8 | Fits iPhoneAndroid | FIRST SIZE CHECK: Support Exclusive Size Kit | Sleep Heart Rate & Fitness |
Delivery between 6–10 Nov $41
Oura Ring 4 - Silver - Size 15 - Size Before You Buy
Free delivery between 10–13 Nov
| Material | Titanium |
| Metal Type | Titanium |
| Metal Color | Rose Gold, Silver |
| Jewelry Type | Ring |
| Style | Modern |
Oura Ring 4 - Black - Size 10 - 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 9
Delivery between 5–10 Nov $7.95
OURA Ring 4 - Silver - Size 6 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Batt
Free delivery between 10–13 Nov
Oura Ring 4 Gold Size 8 - brand new in box
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 [Size 9] (Silver)
Delivery $8.99
| Material | Titanium |
| Metal Type | Titanium |
| Metal Color | Rose Gold, Silver |
| Jewelry Type | Ring |
| Style | Modern |
