Description :
Xiaomi Amazfit Stratos running, walking, cycling, swimming, elliptical machine, mountaineering, trail running, triathlon, tennis, soccer and skiing. Automatically track your daily steps taken, distance traveled, calories burned, heart rate and sleep quality plus optional movement reminders. Get emails, text messages, calls and other app/messaging notifications right on your wrist,Polished ceramic bezel, scratch-resistant tempered glass, stainless steel physical buttons for easy navigation and an exchangeable 22mm durable silicone watch strap,GPS, GLONASS and optical heart rate sensor (PPG),164 feet / 50 meters / 5 ATM water resistance rating