Tracking of several activities, including trail running, mountaineering, swimming, cycling, tennis, soccer, and skiing counts your daily steps, distance traveled, calories burnt, heart rate, and sleep quality automatically. Optional movement reminders are also included.Receive notifications for emails, texts, calls, and other apps/messages straight on your wrist,polished ceramic bezel, tempered glass that resists scratches,actual buttons Stainless steel for straightforward navigation,a GPS, GLONASS, and an optical heart rate (PPG) sensor, as well as a 22mm interchangeable durable silicone watch strapRating for water resistance of 164 feet, 50 meters, and 5 ATM "ALLERGEN DISCLAIMER / ΠΡΟΕΙΔΟΠΟΙΗΣΗ ΑΛΛΕΡΓΙΟΓΟΝΩΝ For further information regarding allergens, please contact the store directly at Για περισσότερες πληροφορίες σχετικά με αλλεργιογόνα, παρακαλώ επικοινωνήστε απευθείας με το κατάστημα στο 22442688"