Heart rate monitor:24 hours real time dynamic heart rate monitor, plan appropriate physical exercises.  Activities tracking:Record daily steps, distance and calories consumption.  Sleep monitor&Alarm:Automatically track your sleep quality, and alarm silent vibration will wake you up. Call alert:Caller name and caller ID will be displayed on OLED screen.  Long standby:Standby time 7-10 days/4 days...

Color:Black Please charge before you start using. Technology changes life.A well designed and produced product that provides a comfortable and intimate experience. You can work, live, exercise with it, be your partner in life and a healthy servant, live in your grace with it. It’s also a nice Healthy housekeeper. Warm tip: This product...