RingConn Gen 2 offers notable improvements over the first generation, including a brand new AI-powered health monitoring features - advanced sleep tracking, reminders of health abnormality and sedentary, a more compact and lightweight design (weight decreased from 3-5g to 2-3g, thickness decreased from 2.66mm to 2 mm at the thinnest part) and battery life increased from 6-7 days to 10-12 days.