1.Alexa built in
2.Blood- oxygen saturation measurement
3.Sleep quality monitoring
4.Heart rate monitoring
5.Music storage and playback
6.Stress level measurement.
7.5 ATM water- resistance for the deep swimmers
8. 90 built- in sports mode
9.Extended 14- day battery life. Powered for maximum performance
10.Music storage and playback
11.Bluetooth call function
12.Vital everyday features at the ready. Alarms, events, timers and more
13.Compatible with the zepp app. Optimized health data management