Compact size: only 37mm diameter and 6.9mm flat - perfect for small wrists. Fine Milanese bracelet: Elegant silver mesh bracelet that fits seamlessly to your wrist. Minimalist design: hard to distinguish from a classic analogue watch, with modern smart watch technology. Variety of functions: heart rate, blood oxygen, blood pressure, calories, distance, steps, reminders, breathing, sleep, 21 sports modes, etc. Brilliant AMOLED display: Sharp images and vivid colours despite the compact size. Long battery life: up to 6 days of activity, up to 30 days in standby mode. Personalized: Versatile dials and your own picture as a background. Message Center: Subtle notification of calls or message incoming