1. Introduction
The FIT KING FT-115A Air Compression Leg Massager Recovery Boots are designed to provide dynamic air compression for leg recovery and circulation improvement. This system features advanced 5-Zone Precision Control and cordless operation for versatile use, simulating deep tissue kneading to improve circulation and relieve pain, edema, and cramps.

Figure 1: FIT KING FT-115A Leg Massager Recovery Boots and Controller. The image displays the two black leg boots with blue zippers and the connected control unit.
2. Package Contents
- 2 x Massage Sleeves (Leg Boots)
- 1 x Controller Unit
- 1 x Quick Start Guide
- 1 x User Manual
- 1 x Carry Bag
- 1 x Power Adapter

Figure 2: All items included in the FIT KING FT-115A package: two leg sleeves, the controller, power adapter, user manual, quick start guide, and a carry bag.
3. Specifications
| Feature | Detail |
|---|---|
| Model Number | FT-115A |
| Product Dimensions | 12.68 x 6.5 x 16.14 inches |
| Item Weight | 9.92 Pounds (4.5 Kilograms) |
| Power Source | Battery Powered (1 Nonstandard Battery included) |
| Battery Capacity | 2500mAh (3-4 hours continuous use) |
| Material | Easy-to-Wipe Sturdy Nylon |
| Pressure Levels | 11 levels (50–150 mmHg) |
| Time Settings | 10 settings (15–60 minutes) |
| Massage Modes | 3 modes (Combination, Circulation, Sequence) |
| Control System | 5-Zone Precision Control with Smart Sensors |
4. Sizing Guide
To ensure optimal comfort and effectiveness, please measure your leg dimensions and refer to the sizing chart below.
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.
| 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" |

Figure 3: Visual guide for measuring upper thigh and inseam, alongside the sizing chart for Small, Medium, and Large boots.
Video 1: Instructional video demonstrating how to choose the correct size for FIT KING Recovery Sleeves by measuring thigh circumference and inseam length.
5. Setup Instructions
- Charge the Controller: Before first use, fully charge the controller using the provided power adapter. The battery indicator on the screen will show charging status.
- Wear the Boots:
- Unzip each leg boot completely.
- Slide your legs into the boots, ensuring your feet are comfortably positioned at the bottom.
- Zip up the boots securely. Ensure a snug but comfortable fit.
- Connect the Hoses: Connect the air hoses from each leg boot to the corresponding ports on the controller unit. Ensure connections are firm.
- Position the Controller: Place the controller in a convenient location where you can easily access the touchscreen.

Figure 4: A user connecting the air hoses from the leg boots to the central controller unit.
6. Operating Instructions
- Power On: Press and hold the power button on the controller to turn on the device. The touchscreen will illuminate.
- Select Time: Use the '+' and '-' buttons next to "Mins" on the touchscreen to set your desired massage duration (15-60 minutes).
- Adjust Pressure: Use the '+' and '-' buttons next to "mmHg" to select your preferred pressure level (50-150 mmHg).
- Choose Mode: Select one of the three massage modes:
- Combination: Inflates and deflates all zones in a specific pattern.
- Circulation: Focuses on promoting blood flow.
- Sequence: Inflates and deflates zones sequentially from feet upwards.
- Select Zones: Use the numbered buttons (1-5) to activate or deactivate specific leg zones (Foot, Lower Calf, Upper Calf, Thigh, Upper Thigh). You can choose single, multiple, or all zones.
- Start Massage: Press the 'Play' button to begin the massage session.
- Pause/Stop: Press the 'Pause' button to temporarily stop the massage. Press it again to resume. To stop completely, press and hold the power button.
Video 2: Official product video demonstrating the advanced features and operation of the FT-115A Pro Edition, including setting modes, pressure, and zones.

Figure 5: Close-up of the FIT KING FT-115A controller's full-color HD touchscreen, showing options for time, strength (pressure), and the five massage zones.
7. Maintenance and Care
- Cleaning: The leg boots are made from easy-to-wipe sturdy nylon. Use a soft, damp cloth to clean the surface. Do not immerse the boots or controller in water.
- Storage: Store the device in its compact carry bag in a cool, dry place away from direct sunlight.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge it regularly, even if not in use for extended periods.
- Inspection: Periodically inspect the air hoses and connections for any signs of wear or damage.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery or power adapter not connected. | Charge the device fully. Ensure power adapter is securely connected if operating while charging. |
| No compression or weak compression. | Hoses not properly connected or boots not zipped correctly. | Check all hose connections to the controller and ensure boots are fully zipped and snug. |
| Uneven compression across zones. | Specific zones deactivated or smart sensor adjustment. | Verify all desired zones are activated on the controller. The smart sensor may adjust pressure based on leg size. |
| Unusual noise during operation. | Normal operating sound of the air pump. | A low-noise operation is standard. If noise is excessive or unusual, contact customer support. |
9. Warranty and Support
The FIT KING FT-115A Air Compression Leg Massager Recovery Boots come with a 2-year warranty. For any product inquiries, technical assistance, or warranty claims, please contact FIT KING customer support.
Refer to the included User Manual for detailed contact information or visit the official FIT KING website.







