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Oura Ring Gen3 Horizon – Silver – Size 13 – Smart Ring – Size First with Oura Sizing Kit – Sleep Tracking Wearable – Heart Rate – Fitness Tracker – 5-7 Days Battery Life SIZE BEFORE YOU BUY – Oura Ring sizes are different from standard ring sizes. Purchase an Oura Ring Sizing Kit on Amazon and receive a $10...

Oura Ring Gen3 Horizon – Black – Size 9 – Smart Ring – Size First with Oura Sizing Kit – Sleep Tracking Wearable – Heart Rate – Fitness Tracker – 5-7 Days Battery Life SIZE BEFORE YOU BUY – Oura Ring sizes are different from standard ring sizes. Purchase an Oura Ring Sizing Kit on Amazon and receive a $10...

Oura Ring Gen3 Horizon – Silver – Size 11 – Smart Ring – Size First with Oura Sizing Kit – Sleep Tracking Wearable – Heart Rate – Fitness Tracker – 5-7 Days Battery Life SIZE BEFORE YOU BUY – Oura Ring sizes are different from standard ring sizes. Purchase an Oura Ring Sizing Kit on Amazon and receive a $10...

Oura Ring Gen3 Horizon – Silver – Size 12 – Smart Ring – Size First with Oura Sizing Kit – Sleep Tracking Wearable – Heart Rate – Fitness Tracker – 5-7 Days Battery Life SIZE BEFORE YOU BUY – Oura Ring sizes are different from standard ring sizes. Purchase an Oura Ring Sizing Kit on Amazon and receive a $10...

Oura Ring Gen3 Horizon – Silver – Size 6 – Smart Ring – Size First with Oura Sizing Kit – Sleep Tracking Wearable – Heart Rate – Fitness Tracker – 5-7 Days Battery Life SIZE BEFORE YOU BUY – Oura Ring sizes are different from standard ring sizes. Purchase an Oura Ring Sizing Kit on Amazon and receive a $10...

Oura Ring Gen3 Horizon – Silver – Size 7 – Smart Ring – Size First with Oura Sizing Kit – Sleep Tracking Wearable – Heart Rate – Fitness Tracker – 5-7 Days Battery Life SIZE BEFORE YOU BUY – Oura Ring sizes are different from standard ring sizes. Purchase an Oura Ring Sizing Kit on Amazon and receive a $10...