Body Harmony Index that gives you an easy to understand view of your body's overall stress response. Automatic health measurements You can set VivoWatch SP to perform automatic pulse transit time (PTT) measurements at regular intervals and receive notifications of the results, giving you an easy and convenient way to stay informed about your health. Smart health-management tools  Medication tracking and reminders Enter your medicine schedule in the ASUS HealthConnect app, and VivoWatch SP will remind you when it’s time to take each medication, helping you to keep a regular schedule and never miss a dose. Health data and personalized analysis sharing Share selected health data with your family, doctor or anyone you choose, securely and easily. This long-term information may offer additional insights over individual blood-pressure measurements done at a clinic. Cloud data storage Back up your health data to the cloud and easily download it to any of your mobile devices. Google Fit and Apple Health support Better flexibility for health data management Personalized sleep-quality analysis VivoWatch SP tracks your sleep duration and quality, giving you insights to help you get your best night’s sleep. By tracking your heart rate in the background, VivoWatch SP can determine when you are winding down and begin automatically tracking your sleep. It also uses your pulse oxygen and heart rate measurements to determine how deep and restful your sleep is. Movement throughout the night is another indicator of sleep quality, so VivoWatch SP tracks your motion and records how many times you turn from side to side each night.The sleep information VivoWatch SP tracks syncs automatically to the ASUS HealthConnect app, where you can review your daily sleep summary and see weekly statistics. Your 24/7 smart assistant  Water resistant to 50 meters With excellent water resistance, you can wear VivoWatch SP while swimming or get caught in the occasional rainstorm without worry. Long battery life VivoWatch SP delivers up to 14 days of battery life in normal operation, making it a 24/7 companion that is always there to help guide you to better health. Call and text notifications Receive visual and vibration notifications of incoming calls and texts without taking your phone out of your pocket or bag. World clock Display a second time zone and the time difference between local time for convenience while traveling. Stylish and convenient With a universal design that accepts standard quick-release watch bands, you can easily change the look of VivoWatch SP to match your personal style and fit any occasion. VivoWatch SP also features a variety of attractive watch faces to choose from, giving you more options to create a watch that's truly your own.