1. Introduction
Thank you for choosing the FIT KING FT-115A Full Leg Compression Massager Boots. This professional air compression recovery system is designed to enhance blood circulation, reduce muscle soreness, and aid in fast athlete recovery. Please read this manual carefully before use to ensure safe and effective operation.
2. Safety Information
Always follow basic safety precautions when using electrical appliances. This device is intended for personal use as described in this manual. Do not use if you have any medical conditions that may be aggravated by compression therapy. Consult a physician before use if you have pacemakers, heart conditions, blood clots, or are pregnant. Keep out of reach of children.
3. Product Overview & What's in the Box
The FIT KING FT-115A system includes:
- 2 x Massage Sleeves (Leg Boots)
- 1 x Controller (Main Unit)
- 1 x Power Adapter
- 1 x Carry Bag
- 1 x User Manual (this document)

Image: Components included in the FIT KING FT-115A package.
The system features 5 large overlapping air chambers for 360° dynamic air compression, simulating deep tissue kneading. The controller has a full-color HD touchscreen for intuitive operation.

Image: Illustration of the 5 overlapping airbags providing 360° compression.
4. Setup
- Unpack: Carefully remove all components from the carry bag.
- Wear the Boots: Unzip the leg boots completely. Slide your legs into the boots, ensuring your feet are comfortably positioned at the bottom. Zip up the boots securely. The durable zipper design allows for easy wearing.
- Connect Hoses: Connect the air hoses from each leg boot to the corresponding ports on the controller unit. Ensure a firm connection.
- Power On: Press and hold the power button on the controller to turn on the device.
Video: Demonstration of unboxing and setting up the FIT KING FT-115A massager boots.

Image: User wearing the boots and interacting with the controller.
5. Operating Instructions
The FT-115A features an intuitive touchscreen control panel. Once powered on, you can customize your massage experience:
- Time Settings: Choose from 10 time options, ranging from 15 to 60 minutes.
- Pressure Levels: Select from 11 pressure intensities (50–150 mmHg).
- Massage Modes: There are 3 massage modes: Sequence, Circulation, and Combination. Refer to the user manual for detailed descriptions of each mode.
- 5-Zone Precision Control: Target specific areas (foot, lower calf, upper calf, thigh, upper thigh) by selecting individual zones or multiple zones for a personalized massage. You can also choose full-leg or single-leg massage.

Image: Detailed view of the controller's touchscreen interface.

Image: Visual representation of the 5-zone custom therapy.
Video: A user demonstrating the setup and operation of the FIT KING FT-115A massager boots.
6. Sizing Guide
To ensure optimal comfort and effectiveness, select the correct size based on your measurements:
| Size | Upper Thigh | Inseam | Height |
|---|---|---|---|
| Small | Up to 26.5" | Up to 30" | 5'1" - 5'8" |
| Medium | Up to 28.5" | Up to 34" | 5'9" - 6'3" |
| Large | Up to 31.5" | Up to 36" | 6'4" - 6'8" |
How to Measure:
- Upper Thigh: Wrap a tape measure around the widest part of your upper thigh.
- Inseam: Measure from the crotch down to the heel of your leg.

Image: Visual guide for measuring leg dimensions to select the correct boot size.
Video: A user demonstrating the setup and operation of the FIT KING FT-115A massager boots, including wearing the boots.
7. Battery & Charging
The FT-115A is equipped with a 2500mAh rechargeable battery, providing 3-4 hours of continuous dynamic compression massage on a full charge. It takes approximately 2.5 hours to fully charge the device. The device can be used while plugged in, but it only charges when turned off.

Image: Information on cordless operation and charging.
8. Maintenance & Storage
- Cleaning: The boots are crafted from durable, easy-to-clean nylon material. Wipe down the surfaces with a damp cloth after each use. Do not immerse the controller or boots in water.
- Storage: Store the device in its compact carry bag in a cool, dry place away from direct sunlight. Ensure the boots are completely dry before storing.

Image: The portable carry bag and material features.
9. Troubleshooting
- Device not turning on: Ensure the battery is charged or the device is plugged into a power source. Check the power adapter connection.
- No compression: Verify that all air hoses are securely connected to both the boots and the controller. Check for any kinks or blockages in the hoses.
- Uneven compression: Ensure the boots are worn correctly and zipped up completely. The smart sensor technology adapts to different leg sizes for a secure and comfortable fit.
- Unusual noise: A low-noise operation is normal. If you hear excessive or unusual noise, discontinue use and contact customer support.
10. Specifications
- Product Dimensions: 12.68 x 6.5 x 16.14 inches
- Item Model Number: FT-115A
- Batteries: 1 x 12V battery (included)
- Manufacturer: FIT KING
- Use for: Calf, Feet, Legs, Thigh
- Power Source: Battery Powered
- Material: Easy-to-Wipe Sturdy Nylon
- Item Weight: 4.5 Kilograms (9.92 Pounds)
11. Warranty & Support
The FIT KING FT-115A comes with a 2-year warranty. For any questions, concerns, or support needs, please contact FIT KING customer service. Our reliable support team is available to assist you.





