1) SpO2 + body temperature
2) Blood pressure, HRV, stress
3) Automatic sleep mornitor (light/deep sleep REM, falling asleep and waking up time)
4) Abnormal heart rate reminder
5) Automatic heart rate detection throughout the day, APP can set the time interval
6) Active heart rate training zone, five heart rate zones for professional training guidance
(warm-up zone, fat burning zone, aerobic endurance zone, anaerobic endurance zone
and limit zone)
7) All-day activity tracking, steps/calories/distance/activity time/daily goal
8) Multiple sports tracking: running, cycling, hiking, fitness, etc.
9) Breathing training (Support from App)
10) Call and SMS reminder
11) Vibrating clock and sedentary reminder
12) Mobile phone GPS support (App support)
13) Other functions such as SOS
14) The strap is detachable and compatible with 20mm width straps
15) OTA support
16) Firmware customization support, support SDK/API
