Xiaomi Mi Band 4
Display: 0.95-inch Colorful AMOLED display with 120 x 240 pixels resolution, up to 450 nits screen brightness.
Look and Design: All-new user interface for giving smoother and simplified touched screen experience
2.5D tempered glass with anti-fingerprint coating.
Battery Life: 135mAh battery capacity built in the Mi Band 4, max working time up to 20 days after a full .
Activity Tracking: Comes with 6 workout modes: Treadmill, exercise, outdoor running, cycling, walking, swimming Counting steps, distance, calories burned during sports.
Health Monitoring: Support heart rate monitoring, heart rate alerts, sleep monitoring, idle alerts Monitoring your health datat o matain your healthier body.
Sensors: 3-axis accelerometer, 3-axis gyroscope, Capacitive proximity sensor, Optical heart rate sensor.
5ATM Water Resistant: Up to 50 meters water resistant rate, freely to wear Mi Band 4 when running and exercising.
Other Basic Features: Stopwatch, Alarm clock, Timer, Find my phone, Phone unlock, Event reminder, Do not disturb mode (works even without phone), Lock screen, Music controls on band.
Connectivity & System: Support BT 5.0 (Low energy), and support for Android 4.4, for iOS 9.0 and above.