Xiaomi Smart Band 7 Pro - Black 1.64 AMOLED screen, 84.4% larger visible area than mi smart band 6. • 110+ workout modes, including tennis, outdoor boating and more professional workout modes to record your heart rate and burned calories. • All-day SpO2 level tracking, supports low SpO2 level alert. • Continuous sleep monitoring and 24-hours heart rate monitoring, also supports sleep breathing monitoring. • Stress tracking and female health tracking. • 5ATM water proof level that can be used during swimming. • Up to 12-days battery life for normal daily use.