COLMI Smart Ring – R02 Introducing the revolutionary COLMI R02 Smart Ring – a breakthrough in wearable technology, offering seamless health monitoring right at your fingertips. Crafted with military-grade titanium steel, this durable and sleek smart ring is designed to withstand the rigors of your active lifestyle, while providing you with a comprehensive suite of health tracking capabilities. Unparalleled Durability and Water Resistance Non category