Premium smart ring crafted from durable stainless steel with ultra-slim 2.5mm thickness and lightweight design for all-day comfort. Available in black, silver, and gold. Features 24-hour heart rate, blood oxygen, and sleep monitoring with 30-day data storage. Supports multiple sports modes including running, yoga, and cycling. Enables Bluetooth remote camera control, IP68 waterproof rating, and rechargeable battery. Offers seven sizes for a perfect fit.