Frequently Asked Questions

No, the app requires a registered device. Since account registration is linked to device registration, a device is necessary to use the app.

You can change the language in the Profile section at the bottom of the app.

You can adjust your preferred units in the Profile section at the bottom of the app. Length can be set to feet or centimeters, weight to pounds or kilograms, and distance to miles or kilometers.

Go to Profile > Device Registration, remove the existing device, and register a new one. Each account can have only one registered device, but you can replace it at any time.

Make sure the mask part of the pacer is snugly fitted against your face.

When putting it on, tighten the upper strap first, then adjust the lower strap. If the lower strap is overly tightened, the pacer may slip down during the test.

Ensure the PPG sensor is precisely positioned next to your nose and check if any air is escaping over the nose.

Lightly jog in place to confirm that the pacer is properly secured.

Tighten the upper strap more firmly.

Loosen the lower strap slightly.

If it still doesn’t fit properly, pause for a moment and re-wear the pacer.

Once you’ve secured it properly again, continue with the remaining test process.

Check if Bluetooth is enabled on your smartphone.

Make sure your smartphone is not too far from the pacer. If you move closer, it may reconnect automatically.

If the pacer’s main unit is turned off, please turn it back on.

Check if Bluetooth is enabled on your smartphone.

If the pacer’s main unit is turned off, please turn it back on.

Ensure that the pacer has sufficient battery charge.

Check if the unit is set to your preferred distance measurement.

Speed readings may vary depending on your phone’s GPS performance.

Review whether you performed the test to the best of your ability until you could no longer continue the protocol. The timing of test termination and your breathing volume at maximum intensity can significantly impact the results.

Check if there were any issues with the fit, such as the mask slipping or air leaking during breathing.

Confirm whether you performed the test while experiencing physical fatigue, such as engaging in excessive exercise within the last three days.

Make sure the device did not power off mid-test due to low battery.

Verify that the Bluetooth connection remained stable throughout the test.

If you are still experiencing issues with accuracy, please contact our customer support for further assistance.

The recommended battery operating temperature is 0°C to 40°C. If the external temperature falls outside this range, we recommend using the device indoors to ensure test stability.

Avoid getting water into the sensor, as it may cause malfunctions. Wipe the sensor area gently with a damp disinfectant wipe or an alcohol wipe, then dry it with a clean tissue.

The mask part can be washed under running water. Ensure it is completely dry before use, as residual moisture may affect measurement accuracy.

Straps, buckles, and headgear can be washed like regular clothing.

Before use, check for cleanliness and any foreign substances on the device. After use, wipe it thoroughly to maintain proper hygiene.

The pacer is not classified as a medical respiratory protection device under pharmaceutical regulations, nor is it a treatment or surgical device under medical device laws.

If you experience breathing difficulty, dizziness, or headaches while using the pacer, stop using it immediately and consult a doctor.

Do not use the pacer in areas with insufficient oxygen supply or hazardous substances present.

Avoid using the pacer after consuming alcohol or medication.

Do not store the pacer near excessive heat or flammable materials.

Do not submerge the pacer in water or store it in high-humidity environments, as moisture can cause malfunctions.

The battery lasts for up to 3 hours on a full charge, and takes approximately 1 hour to fully charge. Charging and usage time may vary depending on environmental conditions.

To maintain maximum battery capacity, use the battery at room temperature. In cold environments, battery capacity may temporarily decrease.

Charge the battery only within the 0°C to 40°C range to ensure optimal performance.

Check if the charging cable is securely connected to both the device and the power source.
Inspect the charging port for dust or foreign substances, and clean it gently if necessary to ensure proper charging.

Fully charge the device and try turning it on again.
Some devices require holding the power button for a few seconds to turn on. Try pressing and holding the power button.

It is recommended to use the official charging cable to prevent potential malfunctions.
Unauthorized chargers may damage the device, and using high-voltage power sources can reduce battery lifespan.

NeumaFit account registration is done via Google or Apple accounts. Please check your registered Google or Apple account to retrieve your email address and password for login.

You can delete your account in the ‘Help & Support’ section under ‘Profile’ at the bottom of the app.

Once the account is deleted, all associated data will be permanently erased, including profile information, workout history, purchase records, and test results. Deleted data cannot be recovered.

NeumaFit processes personal data in compliance with the Personal Information Protection Act and relevant laws, ensuring legal and secure data management.

For details on our privacy policy, please refer to the ‘Terms of Service’ section in the app or the document linked below.