ECG+PPG Bluetooth Call Smart Watch

Passometer,fitness tracker,sleep tracker,Message Reminder,Call Reminder,Answer Call,Dial Call,REMOTE CONTROL,Push Message,Altitude Meter,Big Three Needles,24 hour instruction,Chronograph,Alarm Clock,Small Second,World Time,Power Reserve,week,Month,Heart Rate Tracker,Interactive Music,Noctilucent,Thermometer,Calendar,Countdown