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12/1-12/30 Holiday Savings Best Deals of this year.
JBike+JMate & JRun+JMate only $78 (was $181.6)⇀


  • JRun Installation

  • Manual


  • What Version of Smart Device Support JACFIT App?

    Type Mobile spec Ram required Remaining storage
    iPhone iPhone 11 or higher 4GB 3GB
    iPad iPad 10 or higher 4GB 3GB
    Android Depending on the CPU and GPU model performance(suggest in these 3years) 4GB 3GB
    Tablet Depending on the CPU and GPU model performance(suggest in these 3years) 4GB 3GB
  • What Type of Battery Can I Put into JRun?

    Battery type: CR2032 (lasts up to 180 hours)

  • How to Use Big Screen Experience JACFIT App?

    • Cable
      Use HDMI cable and adapter for your phone connecting cell screen to TV.
    • Wi-fi
      • iOS: Apple TV
        Use airplay mirroring smartphone screen to TV.
      • Android: Chromecast
        Download the Google Home app, and connect to the same Wi-Fi as Chromecast
      then output your cell screen to TV.

    Cast your screen to tv - iOS version

    Cast your screen to tv - Android version


  • How to connnect your JRun to JACFIT app?

    Follow the steps below:

    1. Turn on the Bluetooth.
    2. Allow Jacfit to use your location as the first app-download.
    3. Active the sensor with a magnet and you will see the sensor name in the app and click it to connect.

    *NOTE:White Bluetooth icon will become blue when it done correctly. (If not, pressing the white Bluetooth button to pair up.)

  • Step Calibration

    Follow the steps below:

    1. Go app setting.
    2. Choose step calibration.
    3. Fill in your step length.

    The average of walking step length is 0.414 of your height.
    The average of running step length is 0.5 of your height.

  • Why I Can't Connect Jrun to Jacfit Cpp?


    Check the Bluetooth is turned on and allow Jacfit to use your location and bluetooth as the first download.


    Check the settings on your phone, find the JACFIT app. Turn on Bluetooth and allow the location on your phone. Restart the app to connect again.

  • Where Can I Find My Workout Data?

    Tap Jacfit → Profile icon

    *NOTE: Once you finished the race, fitness data will automatically record in your profile.

      • Profile
      • Total record
      • Each race record
      • Each running record

    Reminder: if you didn’t finish the race, the data won’t be recorded.

  • Why My Running Data Didn’t Count in My Records?

    For running, you have to ride over 5 minutes then the system will ask you to record the data or not.

  • What’s Different Between Running, Tournament and Reservation?

    Features Running Tournament Reservation
    Cardio workout ✔️
    Run with random player ✔️ ✔️
    Run with your friends online ✔️ ✔️
    Traning by yourself ✔️
    Voice chat & message ✔️ ✔️
    Player limits (8people) ✔️ ✔️
    Reservation time ✔️
    Kick out the person ✔️

    Running Demo

    Tournament Demo

    Reservation Demo