Brand Bluetooth Smart Watch D21 Wristband Bracelet Band Heart Rate Smartband Activity Tracker Fitness For IOS Android(Color:Black White.Pink.Purple) Heart Rate Monitor (Black) CHEMAI

unction: Fitness Tracker Heart Rate Monitor Calling Reminder Message Reminder Sitting Alert Remote Camera Sleeping Monitor Anti-lost of Phone Bluetooth Connect Battery-charging Protection Touch Pad What's showed on the screen: Time / Data / steps / Distance / Calorie Consuming    Description:1) Gravity Sensor to detect movement and sleep quality Light-sensitive version of the real-time monitoring of heart rate, sports science2) See call notifications, daily stats and time of day on the OLED display3) Syncs via Bluetooth with iOS and Android. Light Weight;Touch design4) Light Weight, easy to operate ,Waterproof IP66, 0.66 inch OLED screen for information watching5) Monitor your activity levels, track walking distance and calculate calories burned. Achieve the daily exercise targets you set and work towards a healthier lifestyle!

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