OURA Ring 4 – Silver – Size 9 – Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable – Heart Rate – Fitness Tracker – Up to 8 Days Battery Life

Price: £290.83
(as of May 11, 2025 12:17:46 UTC – Details)

From the brand

Oura Ring 4 Sizing Kit

Oura Ring 4

Batteries ‏ : ‎ 1 Lithium Polymer batteries required. (included)
Product Dimensions ‏ : ‎ 2.6 x 2.6 x 0.7 cm; 180 g
Date First Available ‏ : ‎ 1 Mar. 2025
Manufacturer ‏ : ‎ Oura
ASIN ‏ : ‎ B0D9WWB3WX
Item model number ‏ : ‎ JZ90-54217-09
Country of origin ‏ : ‎ Estonia
Delivery information:: We cannot deliver certain products outside mainland UK ( Details). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.
Compact and intelligent design for comfortable everyday wear
Advanced health monitoring capabilities, including heart rate, sleep patterns, and activity tracking
Long battery life with convenient wireless charging
Seamless smartphone app integration for detailed health and activity analytics
Available in multiple finishes and sizes for personalized style