2” LCD large display
Dual-mic noise reduction and Bluetooth® calling
Up to 18 days of battery life
24-hour heart rate monitoring
All-day blood oxygen and stress monitoring
5ATM water resistance
140 workout modes
Bluetooth call: supported
Speaker: supported
Wireless connectivity: Bluetooth® 5.3
Operating system: Xiaomi HyperOS
Compatibility: only supports smartphones with Android 8.0 and above, iOS 12.0 and above
Sensors: Heart rate sensor (with blood oxygen sensor) | Accelerometer