Bolayu Digital LCD Pedometer Run Step Walking Distance Calorie Counter Watch Bracelet Sky Blue Imported Low battery consumption and Auto Sleep. Auto detect waist movement while jogging. Function: step counter, distance & calorie calculation. Steps count from 0 to 99,999. LCD display, easy to read. Material: ABS+Silica gel. Size: approx 4.5 x 3.4 x 2.2cm.