Xiaomi Mi Smart Band 8 Fitness Tracker & Activity Tracker (AMOLED Display, SpO2 Tracking, Sleep Monitoring, Heart Rate Monitoring, Notifications, Pedometer, 5ATM Waterproof, Mi Fit App)

Quick charging and an extra-long battery life: Ready to help all day. With the fast charging upgrade, your Smart Band can be fully charged in just 1 hour. Typical usage extends the battery life to 16 days, whilst the watch can last up to 6 days in AOD mode, so you can just get on with life.
60Hz Refresh Rate: A higher refresh rate delivers a super smooth experience, with eye-catching operation and swipe motions. Stepless automatic brightness adjustment with precise adaptation to the ambient brightness. Whenever you raise your wrist, the brightness will adjust to the perfect level that is also gentle on your eyes.
Comprehensive Health Management - 24-hour health protection: All-day heart rate monitoring；All-day blood oxygen saturation monitoring；Scientific sleep monitoring；All-day stress monitoring；Women's health management.
Over 150 fitness modes to record your heart rate and calories burned
Hundreds of fashionable faces to express your unique style: More than 200 new fashionable watch faces with exclusive always-on display to give you a constant source of inspiration for your outfits. With a wide range of straps and pendant accessories, as well as a variety of official matching watch faces, you can always find a unique combination to match your style.
Multiple accessories to wear your band in a new way: clip on running shoes, pendants, straps