3.5cm (1.4 inch) Large Super Bright HD Color Display SpO2 Blood Oxygen Saturation Monitor & Real time Heart Rate Monitor 90 Sports Modes (available with OTA update via realme Link App) 5ATM Water Resistant (up to 50m) - suitable for Swimming Health Monitoring - Steps count, Distance & Calories measurement, Water Reminder, Sedentary Reminder, Women's Health Tracking, Stress Measurement, Sleep Quality Analysis Battery Runtime: Up to 12-day Long Battery Life Smart AIoT Control for managing realme's smart devices (Earphones, Light Bulbs, Smart Scale, Smart Camera) 50+ Personalized Dial Faces TFT-LCD Display Water Resistant