Languages: Supports multiple languages- Chinese, English, Russian, Spanish, Polish, French, Indonesian, German and Italian (will update more languages) Display: 0.95-inch Colorful AMOLED display with 120 x 240 pixels resolution, up to 450 nits screen brightness
Battery Life: 135mAh battery capacity built in the Mi Band 4, max working time up to 20 days after a full charging.
Health Monitoring: Support heart rate monitoring, heart rate alerts, sleep monitoring, idle alerts.
Activity Tracking: Comes with 6 workout modes: Treadmill, exercise, outdoor running, cycling, walking, swimming Counting step, distance, calories burned during workout. GPS enabled
5ATM Water Resistant: Up to 50 meters underwater water resistant.