Parameters: * APP Name:Dafit * Screen:1.57 inch,200X320 resolution * Battery:260mAh * Charging time:about 1.5-2 H * Waterproof Rating:IP67 waterproof Function: *Support for AI voice assistant, more→Bluetooth call making function, built-in mini game, function, breathing training, alarm clock music control, remote photography, search for phone,Heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, sleep monitoring, all day heart rate measurement,Step count, calorie count, distance, stopwatch, timer,Brightness adjustment, off screen time setting, wrist turning on screen, 2 menu styles (grid, list view), power saving mode, do not disturb mode, vibration intensity selection,…