Xiaomi Band 4 (1 years warranty)

Full color AMOLED touchscreen
-Activity and swimming monitoring.
-Health surveillance
-Sleep monitoring

- Weight: 22.1 g
- Water resistance rating: 5 ATM
- Touch screen type: In-cell capacitive touch screen
- Button: one-touch button (wake up, go back)
- Sports functions: 6 training modes: treadmill, exercise, outdoor running, cycling, walking, swimming in the pool; Count steps, distance and calories burned
- Health monitoring: training completion notifications, goal setting, sleep monitoring, heart rate monitoring, all day heart rate monitoring, resting heart rate, heart rate chart, inactivity alerts