Please note that this is Chinese version and only supports Chinese and EnglishSpecification Brand Xiaomi Model Mi Band 8 Pro Chinese Version bluetooth Version bluetooth 5 3 BLE Compatible OS Android 6 0 and above iOS 12 and above Operating Mode Full Touch Positioning Beidou GPS GLONASS Galileo QZSS APP Name Xiaomi Sports Health System Language Chinese EnglishAPP Language Chinese English Language NoteChange app region to china so can pair with the app If you want to use English have to change phone language to English The mi band 8 pro will syn the system language of the phone If you change to Non English language it will reset to Chinese Special Features Information Reminder Call Reminder Message Reminder APP NotificationHealth Heart Rate Monitor Blood Oxygen SpO2 Monitor Breath Training Sleep Monitor Exercise and Record Multiple Sports Modes Calorie Distance Step Count Application Music Control Camera Control Alarm Clock Stopwatch Weather Custom Dial Dial Market Brightness Adjustment Find Phone Do Not Disturb ModeTechnical Parameters Screen Size 1 74 inch Resolution 336 480 pixels Battery Battery Capacity 289mAh Standby Time About 6 14 days Using Time About 3 5 days Charging Time About 1 2 hours Charging Type Magnetic chargingAppearanceDetails Material Band Material TPU Watch Case Material 2D straight screen tempered glass cover high strength fiber polymer NCVM Size Dial SIze About 46 33 35 9 99mmStrap Length About 205mm Band Width About