24-Hour Heart Rate Tracking: Equipped with BioTracker PPG sensor, the Amazfit Neo can monitor your heart rate 24 hours a day, providing real-time heart rate monitoring to help you better understand your health status.Records Exercise: Amazfit Neo helps track your exercise, including steps, and calories. Choose from running, walking or cycling modes, and view more detailed information about your exercise time and heart rate to help increase your PAI value score.Monitors Sleep: The Amazfit Neo effortlessly monitors your sleep. Once synchronized to the app, you can review the various stages and quality of your sleep. It helps you gain a clearer understanding of your sleep patterns and what sleep stages are needed to improve your sleep quality. Simply keep your smartwatch on, close your eyes, and check the data when you wake up.Everyday Features: The Amazfit Neo can sync with the number of text messages, e-mails and notifications from a number of popular apps on your smartphone.4 Week Battery Life: The Amazfit Neo has impressive battery-life and power-management capabilities, and can be used for up to four weeks on a single full charge.5 ATM Water-Resistance: The Amazfit Neo features a durable exterior case and PUR strap that provides effective waterproofing to a depth of 50 meters . Running, walking or cycling, the resilient design will perform in tough environments.Always-On Display: The Amazfit Neo features a retro styled, always-on display. It's power efficient and lets you see the screen clearly under bright light. The Lift-to-wake feature allows you to activate the screen quickly and naturally when reading the time.