FEATURES: 100+ Sports and Motion Tracking by Mobile GPS – Heart Rate, SPO2 and Stress Test – World Clock, Alarm, Stopwatch, Timer – Weather, Music, Messages, Bag – Camera Control, Find Phone, Reminder – Pedometer, Calculator , Calendar – Rotating crown Navigation button – Multilingual firmware – Pre-installed watch faces: 10 – Custom watch faces – Charging time: 3 hours – Battery life: Up to 5 days – Compatible with Android and iOS