OURAGen3 Horizon Smart Ring - Size 13, Stealth | Sleep, Heart Rate and Fitness Tracking Wearable - Up to 7 Day Battery Life - iOS/Android Compatible - Size First with Oura Sizing Kit

Oura Ring Gen3 Horizon - Stealth - Size 13 - Smart Ring - Size First with Oura Ring Gen3 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - 5-7 Days Battery Life

Oura Ring Gen3 Charger - Size 13 - Full Battery Charge in 60-80 Minutes - Charging Dock and USB-C Cable

BandSmith Silicone Ring Cover Compatible with Oura Ring Protector, Elastic Case for Oura Ring Gen 4/3 Working Out - Patent Protected (Black+Black, M for 11/12/13)