jam tangan Xiaomi Miband 4 AMOLED LED Display Smartband / Mi Band 4

Xiaomi MiBand 4 Global Version Tam warranty Design and display 0.95 color AMOLED display 120 x 240 pixels Screen brightness up to 450 nits All-new user interface smoother and simplified touch screen experience Brightness adjustment mode 2.5D tempered glass with anti-fingerprint Coating Battery 135mAh battery capacity Up to 20 days Recharging time ~2hours Water resistance 5 ATM water resistant up to 50m Activity tracking Count steps, distance, calories burned 6 workout modes: Treadmill, exercise, outdoor running, cycling, walking, swimming Health monitoring 24/7 Heart rate monitoring - Heart rate alerts Sleep monitoring Idle alerts Sensors 3-axis accelerometer 3-axis gyroscope Capacitive proximity sensor Optical heart rate sensor Health monitoring 24/7 Heart rate monitoring Heart rate alerts Sleep monitoring Idle alerts Sensors 3-axis accelerometer 3-axis gyroscope Capacitive proximity sensor Optical heart rate sensor Connective Bluetooth 5.0 (Low energy) No NFC System requirement Android 4.4, iOS 9 and above Other 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