0.39 x 0.79 x 0.39 inches

24/7 heart rate monitor and sleep tracker: 24/7 heart rate monitoring allows to check your heart rate anytime, and better understand your heart rate trends. automatic sleep tracking your deep, light, and awake sleep patterns, and provide comprehensive analysis of your sleep quality (deep sleep,light sleep and wake up time) to help you get a better understanding of your health and and make reasonable adjustment on your lifestyle.
accurate fitness tracker and connected gps: supports 8 sports such as walking, running, bicycle, hike, mountaineering, dynamic cycling, hike, fitness, treadmill, yoga. accurately record all day activities like steps, distance, calories burned, miles walked, active minutes. connecting the gps in your cellphone can track all your workout routes, distances, and physical status during exercise. stay motivated all day!
call and message notifications: when you connect the smart watch to your smartphone, you will never miss a call or message again. it will vibrate and notify you when your phone receives a call, sms text or sns notifications (facebook, twitter, whatsapp, linkedi, messenger, instagram). you can even hang up incoming phone calls straight from your wrist.