Xiaomi Mi Smart Band 8

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