M4 Smart Watch Band Heart Rate Blood Pressure Monitor Tracker Fitness Wristband



The high sensitive touched screen can achieve various operations, information content, steps count, distance, weather, heart rate, and other functions to quickly view, thus opening intelligent life. Made of thermoplastic elastomer, it is more comfortable to wear, a double-breasted design that lets you exercise without falling off. Photoelectric signal detection principle records your heart rate, 24h continuous detection your heart rate. Automatically, it records the number of steps and helps to burn calories. 


  • Charging voltage 5V Current 1A-2.1A Charging time 2 hours

  • About standby time 5-7 days

  • All-day activity tracking: steps, calories burned, mileage, and heart rate.

  • More features: phone search, remote camera shoot, stopwatch.


Customization clock faces
  • Bluetooth 4.0, compatible with Android 4.4 and above system, ios 8.0 and above system.

  • Bracelet push support language: Nearly 200 national languages worldwide, pushing for global fonts

  • APP support language: Russian, German, Italian, Japanese, French, Simplified Chinese, Traditional Chinese, Portuguese, Spanish, Arabic, Korean

  • System RequirementsAndroid 5.0 or above; iOS9.0 or above; Support for Bluetooth 4.0.

Device connection
  • For the first time, you need to connect to the APP for calibration. After the connection is successful, the bracelet will automatically synchronize the time.

  • Open the phone app →click to start scanning → click on the device connection

  • After the pairing is successful, the APP will automatically save the Bluetooth address of the bracelet, and when the APP is opened or running in the background, it will automatically search and connect the bracelet;

  • Android mobile phone, please ensure that the APP runs in the background and the mobile phone system settings are given all permissions such as running the background and reading the contact information.

  • When the device is turned off, touch and hold the function button for more than 3 seconds to turn the device on

  • In the Bluetooth address interface of the bracelet, press and hold the 2-second wristwatch to turn off the phone. A short press will exit the shutdown page

  • Under the power-on state, touch the short press function key to light up the screen

Package Included:
  • 1x Smart bracelet

  • 1 x USB charging cable

  • 1 x User manual

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