Multi-language support8 languages (English, German, Spanish, French, Italian, Japanese, Russian, Portuguese) Basic functionsClock, date display (12/24 hour system, default 12 hour system) Multi-dial (Switch different style dials in watch) Data storage (30-day data of overview, 7-day data in details) OTA upgrade (Upgrade directly via the Bluetooth connection app) Daily activity monitoringHeart rate (24-hour real-time heart rate monitoring) Sleep (Record normal sleep (excluding short break): falling sleep time, wake up time, total sleep time.) Steps (Monitor the number of steps per minute and record it every 10 minutes) Calorie (Monitor calories per minute and record it every 10 minutes) Distance (Monitor the distance per minute and record it every 10 minutes) Active time (Monitoring the activities duration ( including walking, running, cycling))