FIND YOUR FIT FIRST - Measure your finger circumference before ordering. Use our sizing guide: Size 7 = 2.44", Size 8 = 2.54", Size 9 = 2.64", Size 10 = 2.76". A snug but comfortable fit ensures accurate sensor readings and all-day wearability
ALL-DAY HEALTH MONITORING - HPLSZCN smart ring tracks health metrics, heart rate, stress trends, activity, sleep, and women's wellness indicators (period & ovulation predictions). Heart rate sampling interval is customizable (every 5/10/15/20/25/30/60 min) default 30-minute mode delivers optimal battery accuracy. Measurements are for wellness reference, not medical diagnosis
SLEEP STAGES & NAP DETECTION - From bedtime to afternoon naps, the ring captures deep sleep, light sleep, REM-like stages, and awake periods. View nightly data and weekly trends in the Da Rings app to build healthier sleep habits
100+ WORKOUT MODES & FULL ACTIVITY DATA - Track running, cycling, walking, climbing, swimming, hiking, yoga, and more. Smart ring logs distance, duration, calories burned, heart rate, steps, and pace. Whether at the gym or on the trail, your Da Rings app keeps a complete record
NO SUBSCRIPTION – ALL FEATURES UNLOCKED - Zero monthly fees, zero hidden costs. The Da Rings app and all core tracking functions are free with your ring purchase. Unbox, pair, and start your wellness journey immediately