326ppi AMOLED Display:
For the first time using a large-size AMOLED display, you can set the background to a picture of a loved one, a pet, or your favorite work of art, so that and every time you lift your wrist your day feels brighter.

Health Monitor: 
Blood oxygen: a comprehensive understanding of one's own health; Support blood oxygen saturation SpO2 check to know your body better.
Heart rate: Smart 24h heart rate monitoring with abnormal pulse active reminder.
Female cycle management and reminder: Record the menstrual period, and the bracelet before coming Vibration reminds you to prepare in advance and be calmer.
 
Sports Modes:
For the first time, it supports 19 trendy sports such as high-intensity interval training, basketball, boxing, Zumba, etc. The consumption of calories and the status of different heart rate zones are clear at a glance, making your exercise more efficient. Automatic recognition of walking, treadmill, outdoor running, outdoor cycling, rowing machine, Elliptical machine 6 kinds of exercise modes, never miss every moment of exercise.

Mi Smart Bracelet is 5ATM Waterproof.
can be worn for swimming and snorkeling in the pool, It can also intelligently identify the four major swimming styles.
 
Sleep Monitoring.
The Smart Band accurately records sleep duration, deep sleep, light sleep, and REM sleep based on changes in heart rate, and receives scientific advice to help you develop regular sleeping habits.
 
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