operation system
A,ndroid phone system 4.4 or above, A,pple phone I,OS8.4 or above
function
GENUINE LEATHER, Leather, Canvas, COMPASS, Alloy, Lighting, Alarm Clock, Weaving, Resin, Week, WORLD TIME, Power Reserve, Remote Control, ceramic, Sleep Tracker, Speed Measurement, Gold Plated, Titanium Alloy, Fitness Tracker, Small Second, Calculators, Call Reminder, Answer Call, Push Message, Mood Tracker, Message Reminder, Dial Call, Heart Rate Tracker, Interactive Music, Big Three Needles, Attemper, Perspective Window, GMT Two Places, 24 hour instruction, Permanent Calendar, Fine Steel, Gesture Control, Blood oxygen monitor, GPS Navigation
