B57 Color Screen Fitness Bracelet Activity Tracker Heart Rate Blood Pressure Monitor Watch blue strap

Description

Standard sports function (step, distance, calorie) multi-sports mode (walking, running, cycling, skipping, badminton, basketball, football, swimming).Health checkup function: heart rate, blood pressure test, blood oxygen test (can save the last 7 records), sleep time display, screen brightness adjustment, music control, motor vibration switch, history message storage (3).