Features: 1.Hearts rate monitor: You can monitor your hearts rate through your band at anytime. 2.Blood oxygen and blood pressure monitor: Monitor your blood oxygen and blood pressure, know more about your body. 3.Motion modes: Rope-skipping, Running, Sit up record 4.Movement trackeres: Calculate the number of moving steps, calories as well as distance. 5.Sleeps monitor: Monitor the quality of sleeps every day accurately, calculate the time length of deep sleeps and light sleeps. 6.Call and message reminder: The screen shows numbers or names when there is an incoming call; When a new message arrives, the screen shows relevant notifications and corresponding icons. 7.Other functions: Information push, sedentary reminder, alarm clock and remote camera; Just raising your hand, then the screen lights, Anti-losts, Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description: Product name: W66 smart bracelet Case: zinc alloy Strap: TPU Lithium battery capacity: 200 mA