Fitrus Plus > Device



Fitrus Plus™ is a pocket-sized device that measures and analyzes your body composition anytime, anywhere.
  • Efficiently manage your results through our FREE mobile application, available on both the Google and Apple App store.
  • With consistent measurements, a graph will be provided for each component of your body composition to display your progress over time.

  • Why Fitrus+

    • Same Weight, Same BMI
      Different Body Comp.
      Body Fat   Muscle Mass

    • Arrow

    • Big and Expensive


    • Gym or Clinics


    • Body comp. such as intermal body fot and muscle muscle mass provides a qualitative understanding of your health.
    • Disproportional Body comp. will put you at a high risk of developing chronic health conditions. (Diabetes, Hypertension, Coronary Heart Disease)

    Being Healthy is NOT about…
    • Being thin or losing weight.
    • Excessive cardio.
    • Eating greens.
    • Starving yourself with impractical diets.
    • What your step counts reads on your smartwatch or mobile device.

    • Body Fat %
      Body Fat %

    • Skeletal Muscle Mass
      Skeletal Muscle Mass

    • Heart Rate
      Heart Rate

    • Body Mass Index
      Body Mass Index

    • Recording Calories
      Recording Calories

    • Basal Metabolic Rate
      Basal Metabolic Rate

    • Skin Temperature
      Skin Temperature

    • Activity Tracking
      Activity Tracking

    • Stress Index
      Stress Index

    • Nutrition Info.
      Nutrition Info.

  • How Works

    • This is How Fitrus Measures Lean Body mass through.
      Bioelectrical Impedance Analysis (BIA).
      98% accuracy compare to medical device.

    • How Works


    • Front


    • A
      Touch Sensor
      Maneuver through the display menu via touch-sensitive screen.
      LED Display
      View your measurements on the LED display located on the front of the device.
      Four Electrode Sensor
      Measure your skeletal muscle mass, body fat percentage, and other components via the four electrode sensors.
      Acceleration Sensor
      Monitor your activity levels, gauged by the acceleration sensors built into the device.
      Quick Power Button
      Turn the device on or off with a simple press of the power button.

    • Back


    • F
      Skin Temperature Sensor
      Hover the left posterior sensor over your temple to most accurately measure your skin temperature.
      Heart Rate Sensor
      Place your finger on the right posterior sensor to measure your heart rate.

    Fitrus Plus is a portable device that easily and accurately measures your body composition, heart rate, skin temperature, and more.
    • Fitrus Plus syncs with your smartphone. Make sure your Bluetooth is on.
    • Fitrus App is compatible with Android version 5.0, iOS version 9.0 and above. It may not be supported on an Android tablet or iPad.
    • A PIN number is not required to access the Fitrus App on your smartphone.

  • Warning

    • Fitrus Plus is not a medical device and should not be used for diagnostics or treatment.
    • Do not use this device if you are dependent on any biometric devices, such as a cardiac regulator, medical ECG, mechanical heart, or heart-lung machine.
    • Do not use Fitrus Plus to measure your body composition during pregnancy or menstruation. There will be discrepancies.
    • The electric current (under 150 uA of 50 kHz) is too low for anyone to sense or be affected by it. If you do experience any sensations or symptoms, immediately cease its operation.
    • Do not disassemble or modify the device. Avert any physical trauma to the device.
    • Read through this manual before operating your device and store it for future reference.
    • The content of the manual (including safety precautions) may be changed at any time without notice to Users as the specifications for Hardware, Software and Configurations are modified.
    • Some of the images which appear in this manual may differ from those on your product.

    Requirements for the Safety

    • Make sure to remove any nearby devices that can cause wireless interference. These sources include but are not limited to microwave ovens, wireless audio operating in the 2.4 GHz or 5 GHz bandwidth, and certain power sources. These sources can cause slower performance or disconnection from Fitrus and may also interfere with the Bioelectrical Impedance Analysis, resulting in inaccurate readings.
    • Do not eat or dismantle the battery. Keep out of children’s reach.
    • You must follow local regulations when disposing of the device or any of its components and accessories.


    • Customer Service Contact Information (Republic of Korea)
      Contact : +82-54-279-4467   mail
    • Within the one-year warranty period, if any malfunction transpires under normal use, as established by the manual, the affected components of the product will be exchanged free of charge.
    • Past the one-year mark of the initial purchase, you will be responsible for the cost of any exchanges.
    • In principle, the components will be exchanged with those of the same color and model.
    • The customer is always responsible for the shipping costs.
    • In the following cases, the service fee may be charged even during the warranty period.
      Malfunctions or damages of any disassembled or modified devices.
      Damages caused by water / liquid or any weather conditions.

  • Specifications

      • Model name
      • Country of manufacture
      • Size
      • Weight
      • Battery:
      • Number of hours per charge
      • FR-B10
      • Republic of Korea
      • 11 × 3.4 × 1.25cm
      • 2 oz
      • Li_ion
      • 4 hours
      • Galvanometry
      • Way of measuring
      • Measuring part
      • Power
      • Module
      • Measurement Time
      • About 150㎂ or less
      • 4 contact electrodes with BIA (Bioelectrical Impedance Analysis)
      • Upper body
      • DC 5V
      • Bluetooth 4.0
      • 5sec
      • Range of Measurable
      • Range of height
      • Range of weight
      • Range of age
      • Range of use
      • Accessory
      • 100~950Ω
      • 130~200cm
      • 30~149kg
      • 7~89
      • -40~85℃
      • USB cable, Manual

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