Health Fitness Tracker Bracelet for 24/7 Heart Rate Monitor Stress Management, Smart Ring for Sleep Tracking/Pedometer/Bluetooth/Long Battery Life/IPX8 Waterproof
RESEARCH GRADE SENSORS – Accurately monitor your sleep, activity, recovery, calorie, blood oxygen, Sports, body temperature, heart rate, stress and more, View all data on the app
ALL-WEATHER COMFORT – Ultra-lightweight, waterproof and durable. The timeless ring design is perfect for any occasion, whether it’s a workout or a night out.
LONG BATTERY LIFE – Battery life up to 5 days. Fast charging for a full charge in just 30 minutes
24/7 MONITORING OF SLEEP QUALITY – Accurate algorithm analysis of shallow sleep, deep sleep, etc
SCIENTIFIC ALGORITHM STEP COUNTING – High precision professional chip, accurately recording every step
The diameters of the smart rings are 0.6/0.66/0.7/0.74/0.78/0.8/0.86inch. We recommend the index finger for optimal performance and accuracy. If you prefer another finger, the middle and ring fingers are good alternatives.