Introduction
Thank you for choosing the pryfey BKYB-01 Back Massager. This device is designed to provide a customizable and effective massage experience, targeting various muscle groups with 4D kneading, heat therapy, and adjustable settings. Its ultra-thin and portable design allows for versatile use in your home, office, or vehicle.

Image: pryfey BKYB-01 Back Massager with its remote control and product packaging.
Important Safety Information
Please read all instructions carefully before using the pryfey BKYB-01 Back Massager. Retain this manual for future reference.
- Do not use this massager if you have any medical conditions, are pregnant, or have a pacemaker, without consulting a physician.
- Avoid using the massager on swollen, inflamed, or injured areas of the skin.
- Do not use the massager for more than 30 minutes at a time to prevent overheating or over-stimulation.
- Keep the device away from water and high temperatures.
- Unplug the device when not in use and before cleaning.
- This appliance is not intended for use by persons with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
Package Contents
Verify that all items are present in the package:
- pryfey BKYB-01 Back Massager
- Remote Control
- AC Power Adapter (for home/office use)
- Car Adapter (for in-vehicle use)
- Instruction Manual
- Optional: GentleMode Leather Cape (if included with your model)
Product Features
- 4D Deep Tissue Kneading: Advanced massage nodes move in a multi-dimensional pattern to mimic human hands, providing deep muscle relief.
- Up and Down Track System: Expands the massage area, covering a wider range of the back for comprehensive therapy.
- 3-Level Red Light Heat Therapy: Penetrates deep into muscles to promote blood circulation and alleviate pain.
- Customizable Intensity: Choose from 6 intensity levels to suit your preference.
- Multiple Massage Modes: Select from 3 distinct massage modes (knead, tap, combo) for varied sensations.
- Adjustable Timer: Set massage sessions for 10, 15, or 20 minutes (defaults to 15 minutes when turned on).
- Ultra-Thin & Portable Design: With a slim 0.75-inch profile, it's easy to carry and fits most chairs and car seats.
- Dual Power Options: Includes both AC and car adapters for versatile use.
- Silent Noise Reduction: Engineered for quiet operation, ensuring a relaxing environment.

Image: Overview of the massager's key features and benefits.
Setup
- Unpack: Carefully remove the massager and all accessories from the packaging.
- Positioning: Place the massager on your desired chair, sofa, or car seat. Ensure it is securely positioned against the backrest. The massager includes an elastic strap on the back to help fix it in place.
- Power Connection:
- For Home/Office: Connect the AC power adapter to the massager's power input port, then plug the adapter into a standard electrical outlet.
- For Vehicle: Connect the car adapter to the massager's power input port, then plug the car adapter into your vehicle's 12V power socket.
- Remote Control: The remote control is wired to the massager for easy access and operation.

Image: The massager is shown in different usage environments, highlighting its portability and dual power options.
Operating Instructions
Use the wired remote control to operate the massager:
- Power On/Off: Press the ON/OFF button to start or stop the massager. The default timer is 15 minutes.
- Intensity Adjustment: Press the Intensity button to cycle through 6 levels of massage intensity (L1-L6).
- Mode Selection: Press the Mode button to choose from 3 massage modes (P1-P3: kneading, tapping, combination).
- Heat Function: Press the Heat button to activate or adjust the 3-level red light heat therapy (H0-H2). Press again to turn off heat.
- Timer Setting: Press the Time button to set the auto-off timer for 10, 15, or 20 minutes. The massager will automatically shut off once the selected time expires.
- Reset Function: To reset to the original mode, wait for 2 seconds after making adjustments.

Image: Detailed view of the remote control with labeled buttons for various functions.
Video: 6-Level Adjustable Back Massager System
This video demonstrates the various adjustable settings of the pryfey Back Massager, including intensity levels, massage modes, and timer functions, providing a visual guide to customizing your massage experience.
Versatile Usage Areas
The pryfey BKYB-01 Back Massager is designed for full-body use and can be adapted to various environments:
- Back Massage: Position the massager to target your upper, middle, or lower back for comprehensive relief.
- Shoulder & Neck Kneading: Adjust the massager's position to alleviate discomfort in your shoulders and neck.
- Thigh & Calf Massage: Lay the massager flat to soothe tired muscles in your thighs and calves.
- Abdominal Kneading: Can be used for gentle abdominal massage to promote relaxation.
- In-Vehicle Use: Utilize the included car adapter for a relaxing massage during commutes or long drives.
- Home & Office: Easily attach to most chairs for comfort while working, reading, or relaxing.

Image: Illustrations of the massager's application on different body parts.
Video: Slim Back Massager with Dual USB Chargers
This video highlights the slim design and dual USB charging capability of the massager, demonstrating its convenience for both home and car use.
Maintenance
- Cleaning: Always unplug the massager before cleaning. Wipe the surface with a soft, damp cloth. Do not use abrasive cleaners or immerse the device in water.
- Storage: Store the massager in a cool, dry place, away from direct sunlight and extreme temperatures.
- Care: Avoid sharp objects that could damage the fabric or internal components.
Troubleshooting
- Device not turning on: Ensure the power adapter is securely connected to both the massager and the power source. Check if the power outlet is functional.
- No heat or weak heat: Verify that the heat function is activated on the remote control (H1, H2, or H3). Allow a few minutes for the heat to build up.
- Massage nodes not moving: Check the power connection. If the device has been running for an extended period, it might have activated an auto-off safety feature due to overheating. Allow it to cool down before restarting.
Specifications
| Attribute | Detail |
|---|---|
| Model Number | BKYB-01 |
| Product Dimensions | 21 x 0.75 x 17 inches |
| Item Weight | 5.85 Pounds |
| Material | Leather |
| Power Source | Corded Electric |
| Manufacturer | Fujian Ruili Electronics Co.,Ltd |
Warranty and Support
For warranty information, technical support, or any inquiries regarding your pryfey Back Massager, please refer to the contact details provided on the product packaging or visit the official pryfey website. Please have your model number (BKYB-01) ready when contacting support.
Legal Disclaimer
Statements regarding this product have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition. This product is intended for personal, non-medical use only.





