1.3" Smart Bluetooth Watch IP67 Waterproof Heart Rate Tracker Fitness Bracelet Colorful Screen Blood Pressure Blood Oxygen Monitor Wristband for IOS Android Feature: 1.IP67 Waterproof: It supports hand washing, rain, swim wear, meet daily needs (note: cannot wear for hot water bath and sauna). 2.Health monitoring function: heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, sleep monitoring (can set sleep time), sedentary reminder. 3.Standard sports function: step, calorie, distance calculation. 4.Display: 3 kinds of UI interface style, time display, date display. 5.Multi-sports mode: 7 sports modes can help you better know the specific activity data. Sports modes include walking, running, cycling, skipping, football, easy to operate and switch, and instantly display of data on the screen. 6.