Ring 4 - Silver - Size 10 - Smart Ring - Size First with Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - up to 8 Days of Battery Life Size:10 and includes 2-way audio

and includes 2-way audio

adjustable with one hand

children can arrange and design rooms as they please

12" baking pan

it provides dual-band positioning with six satellite systems

Ring 4 - Silver - Size 10 - Smart Ring - Size First with Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - up to 8 Days of Battery Life Size:10 and includes 2-way audioSIZE BEFORE YOU BUY Oura Ring 4 sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit. For additional details, see From the brand section below OURA MEMBERSHIP First month of membership is included with purchase, for new members only. Subscription is 5. 99 mo afterwards. Or opt for the annual prepaid option for 69. 99. Membership is tied to your account via the Oura App, not your physical ring ACCURACY SMART