Colmi RING 2 Lubricated Ring Size 11 - Black

COLMI RING 2 is a compact smart ring for monitoring health, sleep and daily activity. It tracks heart rate, HRV, blood oxygen levels, stress and body temperature, with collected data available in the Q Ring app and supported by AI-based analysis. Automatic sleep tracking records wakefulness, light, deep and REM sleep, as well as sleep efficiency and nighttime awakenings. The ring supports sports modes for walking, running, cycling and swimming, recording heart rate, steps, distance, calories and workout duration. The stainless-steel design has 5 ATM water resistance and provides approximately 3-5 days of battery life. A 200 mAh charging case with USB-C is included.