Xiaomi Smart Band 9 - Mystic Rose - BHR8345GL
1.62" AMOLED display for seamless interaction • Automatic screen brightness adjustment and 1200nit Max brightness • 60Hz high refresh rate, smooth usage Up to 21-day battery life • Up to 21-days battery life for normal daily use. • Fully charged within 1 hour. Upgraded all-round sleep monitoring • Sleep monitoring function professional upgrade • Record sleep data and give professional advice Improved heart rate and SpO? monitoring • Upgraded high-precision sensor to increase heart rate accuracy by 10% Watch level fine vibration • Upgraded linear motor • 20 original vibration modes Professional Workout Analysis • 150+ workout modes to record your heart rate and burned calories. • 10 on-wrist running courses, could vibrate and light the screen to remind you to meet your heart rate and pace goals.