1. Important Safety Information
Please read all instructions carefully before using the treadmill. Retain this manual for future reference.
- Ensure the treadmill is placed on a flat, stable surface.
- Keep children and pets away from the treadmill during operation.
- Always use the safety key. Attach the clip to your clothing before starting. In an emergency, pulling the safety key will immediately stop the treadmill.
- Do not exceed the maximum weight capacity of 130 kg (286 lbs).
- Do not operate the treadmill for more than 100 minutes continuously. Allow it to cool down before further use.
- Wear appropriate athletic footwear and clothing.
- If you experience pain, dizziness, or shortness of breath, stop exercising immediately.
- Unplug the treadmill from the power outlet when not in use or before cleaning/maintenance.
2. Product Overview
The OneTwoFit OT0332 is an electric folding treadmill designed for home use, offering a range of features for effective and comfortable workouts.
Key Features:
- Compact Folding Design: Easily folds for storage under beds or sofas, saving space. Equipped with rollers for convenient movement.
- Wide Running Surface: Measures 40 cm (width) x 110 cm (length) for comfortable and safe exercise.
- Quiet 3.5 HP Motor: Designed for low noise operation, suitable for night use without disturbing others.
- 5-Layer Shock Absorption Belt: Provides cushioning to protect joints, knees, ankles, and muscles during exercise.
- Adjustable Speed: Speed range from 0.8 km/h to 12 km/h.
- 3-Level Manual Incline: Adjust the incline to vary workout intensity.
- 12 Preset Programs & 3 Target Modes: Offers diverse workout options and goal-setting capabilities.
- LED Display: Shows time, speed, distance, and calories burned.
- Integrated Tablet/Smartphone Holder: Allows for entertainment during workouts.
- AUX Connectivity: Connect external audio devices for music playback.

Image: The OneTwoFit OT0332 treadmill in an unfolded state, with a user running. Key features like speed range, folding, quiet design, wide running surface, incline adjustment, continuous use time, heart rate monitoring, 12 programs, tablet holder, music playback, 130kg load capacity, and 5-layer belt are indicated.

Image: A grid of icons illustrating the treadmill's features: speed range (0.8-12km/h), easy storage/movement, quiet design, wide running surface, 3-stage incline, 100 minutes continuous use, heart rate measurement, 12 programs, tablet holder, music playback, 130kg load capacity, and 5-layer belt.
3. Setup and Assembly
Assembly typically takes approximately 15 minutes. All necessary parts and tools are included.
Unfolding the Treadmill:
- Carefully remove the treadmill from its packaging.
- Place the treadmill on a flat, stable surface.
- Gently lower the running deck until it is fully flat and locked into position. Ensure all locking mechanisms are secure.
Folding for Storage:
- Ensure the treadmill is turned off and unplugged.
- Lift the running deck until it clicks into the upright, folded position.
- The integrated rollers allow for easy movement and storage in compact spaces, such as under a bed or sofa.

Image: Diagrams showing the unfolded dimensions (W59.5 x D131 x H116 cm) and folded dimensions (W56 x D59.5 x H122 cm) of the OneTwoFit OT0332 treadmill, illustrating its space-saving design.

Image: A woman demonstrating how to fold the OneTwoFit OT0332 treadmill and store it compactly, highlighting its suitability for various room types and weather conditions.
4. Operating Instructions
Control Panel Overview:
The control panel features a 3.5-inch LED display and various buttons for controlling your workout.

Image: A detailed view of the treadmill's control panel, labeling buttons for speed adjustment, program selection, start/stop, safety key, USB port, smartphone holder, and display for speed/distance/time/calories.
Starting a Workout:
- Plug the treadmill into a power outlet.
- Attach the safety key clip to your clothing and place the magnetic end on the designated area of the control panel.
- Press the START button. The treadmill will begin with a low speed after a short countdown.
Adjusting Speed:
- Use the Speed + and Speed - buttons to increase or decrease the speed.
- Quick speed buttons (e.g., 3km/h, 6km/h, 9km/h) are available for instant speed changes.

Image: Visual examples of different running speeds on the treadmill, ranging from 0.8 km/h for seniors to 12 km/h for serious training, illustrating the versatility of speed adjustment.
Using Programs and Modes:
- Press the Program button to cycle through 12 preset workout programs (P1-P12). Each program automatically adjusts speed over time.
- Select from 3 target modes: Time Target, Distance Target, or Calorie Consumption Target. Set your desired goal, and the treadmill will track your progress.

Image: A diagram illustrating the 12 automatic programs (P1-P12) available on the treadmill, with descriptions for P1 (walking mode), P2 (physical strength enhancement mode), and P3-P12 (hard training modes).
Incline Adjustment:
The treadmill offers 3 levels of manual incline adjustment to increase workout intensity.
- Ensure the treadmill is stopped and unplugged.
- Locate the incline adjustment mechanism at the rear of the running deck.
- Manually adjust the support legs to the desired incline level (approx. 0.5°, 3.5°, or 5.5°).
- Ensure the deck is securely supported at the chosen incline before use.

Image: A visual representation of the treadmill's 3-stage manual incline adjustment feature, showing how to change the angle of the running surface to simulate uphill training.
Using the Tablet/Smartphone Holder and AUX:
- Place your smartphone or tablet in the designated holder on the control panel.
- Use the included AUX cable to connect your device to the treadmill's audio input for music playback through the integrated speakers.

Image: A close-up of the treadmill's control panel, highlighting the tablet/smartphone holder and the AUX port for connecting external audio devices. An AUX cable is shown as included.
Stopping a Workout:
- Press the STOP button to gradually slow down and stop the treadmill.
- Alternatively, pull the safety key to immediately stop the treadmill in an emergency.
5. Maintenance
Regular maintenance ensures the longevity and safe operation of your treadmill.
Cleaning:
- Always unplug the treadmill before cleaning.
- Wipe down the console and other surfaces with a damp cloth. Avoid using abrasive cleaners or solvents.
- Periodically vacuum under the treadmill to remove dust and debris.
Lubrication:
The running belt may require lubrication after extended use. Refer to the included Japanese instruction manual for specific lubrication instructions and recommended lubricants.
Belt Tension and Alignment:
If the running belt feels loose or is not centered, it may need adjustment. Consult the detailed instructions in the Japanese manual or contact customer support for guidance.
6. Troubleshooting
If you encounter any issues with your OneTwoFit OT0332 treadmill, please refer to the following common solutions or contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Treadmill does not start | Power cord unplugged, safety key not in place, power switch off. | Ensure power cord is securely plugged in, safety key is correctly placed, and power switch is on. |
| Running belt slips or hesitates | Belt tension too loose, belt needs lubrication. | Adjust belt tension (refer to manual) or apply lubricant. |
| Unusual noise during operation | Loose parts, motor issue, belt friction. | Check for loose screws. If noise persists, contact customer support. |
| Display not working | Loose connection, power issue. | Check all connections. If problem continues, contact customer support. |
For issues not listed here or if solutions do not resolve the problem, please contact OneTwoFit customer service.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | ONETWOFIT |
| Model Number | OTF-OT0332-HY-JPFBA |
| Color | Black |
| Unfolded Dimensions (D x W x H) | 131 cm x 59.5 cm x 116 cm |
| Folded Dimensions (D x W x H) | 59.5 cm x 56 cm x 122 cm |
| Product Weight | 34 kg |
| Maximum Recommended Weight | 130 kg |
| Speed Range | 0.8 - 12 km/h |
| Maximum Horsepower | 3.5 HP |
| Continuous Use Time | 100 minutes |
| Running Surface (W x L) | 40 cm x 110 cm |
| Incline Adjustment | 3 manual levels (approx. 0.5°, 3.5°, 5.5°) |
| Programs | 12 preset programs |
| Display | 3.5-inch LED (Time, Speed, Distance, Calories) |
| Power Source | Corded Electric |
| Assembly Required | Yes |
| Recommended Use | Adults, for smartphones or tablets (holder) |
| Included Components | Main unit, parts, tool set, safety key, AUX connection cord, user manual |
8. Warranty and Support
OneTwoFit provides a 1-year manufacturer's warranty for this treadmill.
If you have any questions or encounter problems with your treadmill, please do not hesitate to contact OneTwoFit customer service. We aim to respond to inquiries within 24 hours on weekdays.
For support, please visit the official OneTwoFit store on Amazon or use the contact information provided with your purchase.
9. Product Video Overview
Video: A brief overview demonstrating the OneTwoFit OT0332 treadmill's features, including its folding mechanism, a user running, incline adjustment, and the use of the control panel with a smartphone holder. This video highlights the product's design and functionality.