We are the only D21 DFit manufacturer, the App is HPlus Watch. It’s real waterproof, fake smart wrist is sold by other sellers and not real waterproof. Please take care.

The smart watch full fit for android and iPhone IOS smartphones. Bluetooth 4.0, compatible with Android 4.3 and IOS 8.0 above, such as iPhone 4S, 5, 5S, 6, 6S Plus, Sumsung Galaxy S3, S4, S6, Note 2, Note 3, Note 4, LG, HUAWEI, XIAOMI, etc.


Does DFit wristband fit for my wrist?
DFit bracelet diameter is 17cm to 22cm. You can adjust the bracelet length according to your wrist.

Does this watch show Military time 24 only or Standard Time 12 ?
Switch the time mode to military time or standard time in App and shows real time.

How to turn on/off DFit smart wrist?
View the smart watch picture first. Touch key are hidden in the time following. Long press the touch key 4 sec to turn on the wristband.
When power icon and DFit shows on the touch screen, long press the touch key 4 sec to turn off the wristband.

How long is step count shown on DFit smart watch?
After walking 10 steps, you can get step track on DFit wristband.

The smart watch can not bind the phone via Bluetooth.
First, please make sure to open your phone Bluetooth; Second, smart bracelet is not connected by another phone; Third, keep pressing the touch key to reboot smart wrist twice in shutdown interface, when smartwatch shows DFit, reconnect your smartphone via Bluetooth.

Who fit for the healthy heart rate bracelet?
Men and women, boy and girl, gentleman and Ms., senior citizens, old people, children, student.

Product Features

  • Turn on/off fitness smart watch: Press touch key 4 seconds to turn on smart wrist, turn off smart bracelet if power button and DFit shows on smartwatch interface.
  • IP68 waterproof smart watch: 50 meter deep waterproof. Easy to deal with rain, wash hand, shower, diving, swimming, etc.
  • Heart rate smart bracelet: Analysis blood flow under the skin by healthy green LED sensor, monitor pulse rate any time.
  • Smartwatches fast charging: 80mAH standby 120 hrs after charging 30 minutes. 1. charge the fitness tracker for 1 hour before first using. 2. Install “HPlus Watch” App to your phone, add it to the white-list to make sure it could run in the background (very important).
  • Wristband function: Heart rate all day, Pedometer, Distance, Calories burned, Palming Bright Screen, Call and message vibration, Alarm clock, Sedentary reminder, WeChat sport, Facebook Twitter WeChat QQ notification.

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