Function
GENUINE LEATHER, Rubber, Steel, Stainless steel, ALLOY, Alarm Clock, Week, MONTH, Remote Control, Countdown, Silica Gel, Sleep Tracker, Fitness Tracker, Calculators, Passometer, Call Reminder, Answer Call, Push Message, Mood Tracker, Message Reminder, Dial Call, Heart Rate Tracker, Blood oxygen monitor, GPS Navigation, Payment
Function
SP02, HR, body temperature, BLE calling,etc