feature
3G, wifi, 4G, APP Control, IP68 waterproof, SOS button
function
THERMOMETER, Calendar, WORLD TIME, Speed Measurement, Small Second, Passometer, Answer Call, Dial Call, Heart Rate Tracker, Big Three Needles, GMT Two Places, Permanent Calendar, app remote control, GPS location, SOS Emergency Call, real time tracking, Geo fence alarm, Location history, Activity monitoring, Audio Recording, Audio Monitoring