Halfsun watches 24/7 monitors real-time heart rate and blood pressure automatically. Also, you can get a complete report on the APP. All-Day Activity Tracker Record all-day activities like steps, distance, calories burned, active minutes, and sleep quality. Sleep Monitor Analyse your sleeping and improve living habits. Calls and Messages Reminder Connect halfsun fitness tracker with your smartphone, it would vibrate to alert when a phone call, SMS text, and SNS messages including Facebook, Twitter, WhatsApp, Skype, etc coming.