Continuous heart rate & sleep monitoring: amazfit neo smartwatch can track your heart rate 24/7. also can monitor your sleep. once synchronized to the app, you can review the various stages and quality of your sleep retro design 1.2” always-on display with lift-to-wake backlight: this smartwatch features a retro-styled, always-on display which lets you see the screen clearly under bright light. the lift-to-wake feature allows you to activate the screen quickly ultra-long 28-day battery life: the amazfit neo fitness smartwatch has impressive long battery-life and power-management capabilities. it also can be used for up to 28 days on a typical usage & 37 days on a basic usage on a single full charge 5-atm water resistant & 3 sports mode tracking: this sports smartwatch features a durable case and pur strap providing effective waterproofing to 50 meters depth. running, walking, or cycling, the resilient design will perform in tough environments message and phone call notifications: amazfit neo smartwatch for men and women can sync with text messages, e-mails, and notifications from a number of popular apps on your smartphone such as call reminders, alarm clock, sedentary reminders, etc.