ROTAI A39-B
ROTAI A39-B 3D Massage Chair User Manual
Model: A39-B
Introduction
Thank you for choosing the ROTAI A39-B 3D Massage Chair. This manual provides essential information for the safe and effective use of your new massage chair. Please read it thoroughly before operation and retain it for future reference.
Important Safety Instructions
To reduce the risk of electric shock, burns, fire, or injury, always follow these basic precautions:
- Always unplug the appliance from the electrical outlet immediately after using and before cleaning.
- Do not use while bathing or in a shower.
- Do not place or store appliance where it can fall or be pulled into a tub or sink.
- Do not place in or drop into water or other liquid.
- Never use pins or other metallic fasteners with this appliance.
- Close supervision is necessary when this appliance is used by, on, or near children, invalids, or disabled persons.
- Use this appliance only for its intended use as described in this manual. Do not use attachments not recommended by the manufacturer.
- Never operate this appliance if it has a damaged cord or plug, if it is not working properly, if it has been dropped or damaged, or dropped into water. Contact ROTAI customer service for examination and repair.
- Keep the cord away from heated surfaces.
- Never drop or insert any object into any opening.
- Do not operate where aerosol (spray) products are being used or where oxygen is being administered.
- To disconnect, turn all controls to the OFF position, then remove plug from outlet.
- This appliance is designed for household use only.
Product Overview
The ROTAI A39-B massage chair offers a comprehensive massage experience with advanced features designed for relaxation and comfort.
Key Features:
- 3D Massage Arms & SL Track: Flexible 3D unit and 1280mm SL track adapt to body contours, providing a full-body massage from neck to glutes.
- Zero Gravity & Rocking Modes: Two zero gravity positions and a one-button rocking mode for deep relaxation and multi-directional stretching (130° to 155° recline).
- Targeted Neck & Shoulder Massage: Specialized programs for neck and shoulder relief, ideal for sedentary individuals.
- Foot Therapy System: Eccentric kneading rollers and air chamber wave massage for feet and lower legs, beneficial after prolonged standing or walking.
- Full Body Air Compression & Lumbar Heat: Comprehensive air compression system and carbon fiber heating (35-40°C) for enhanced comfort.
- Smart Control: Integrated Bluetooth speaker and offline voice control for convenient operation.
- Programs & Techniques: 19 automatic programs, 6 massage techniques (Kneading, Knocking, Shiatsu, Rubbing, Sync, Tapping), and 5 adjustable speeds.

Image: Overview of the ROTAI A39-B massage chair highlighting its multifunctional capabilities and various massage modes like Focus, Classic, Family Care, Pain Relief, Shoulder Release, Neck Stretch, and Head Acupoint, along with techniques such as Kneading, Knocking, Shiatsu, Rubbing, Sync, and Tapping.

Image: Illustration of the ROTAI A39-B's advanced SL track, showing how massage rollers move along the neck, shoulder, back, waist, hip, and thigh areas, including a detailed view of the foot roller mechanism.

Image: A person relaxing in the ROTAI A39-B massage chair, demonstrating the full-body airbag massage and waist heating function. Insets show the shoulder, arm, and leg & foot airbag areas.
Setup and Installation
The ROTAI A39-B massage chair is largely pre-assembled for your convenience. Follow these steps for initial setup:
- Unpacking: Carefully remove the chair from its packaging. Ensure all components are present.
- Placement: Position the chair in your desired location. Ensure there is sufficient space around the chair for reclining and full operation. The chair requires a minimum door width of 77 cm for entry.
- Power Connection: Connect the power cord to the chair and then to a suitable electrical outlet.
- Initial Check: Before first use, inspect the chair for any visible damage or loose connections.

Image: Illustration showing the ROTAI A39-B massage chair being unboxed and the requirement for a minimum door width of 770mm for installation.

Image: Detailed product dimensions of the ROTAI A39-B massage chair, including length, width, height, and seat dimensions, along with the packaged box dimensions.
Operating Instructions
Familiarize yourself with the control panel and remote functions to fully utilize your massage chair.
Control Panel Overview:
The chair features an intuitive control panel, typically located on the armrest, allowing access to all functions.

Image: A user interacting with the ROTAI A39-B control panel, demonstrating the "Neck Stretch" function and its effect before and after massage.

Image: A user interacting with the ROTAI A39-B control panel, demonstrating the "Shoulder Release" function targeting the trapezius muscle.

Image: A user interacting with the ROTAI A39-B control panel, demonstrating the "Head Acupoint" function targeting the Fengchi acupoint.
Basic Operation:
- Power On/Off: Press the power button on the control panel to turn the chair on or off.
- Automatic Programs: Select from 19 pre-set automatic programs designed for various massage needs. These programs combine different techniques and intensities.
- Manual Massage Techniques: Choose from 6 manual massage techniques:
- Kneading
- Knocking
- Shiatsu
- Rubbing
- Sync
- Tapping
- Zero Gravity Modes: Activate one of the two zero gravity modes for a weightless sensation, reducing pressure on the spine.

Image: A person reclining in the ROTAI A39-B massage chair, illustrating the Zero Gravity and Rocking modes with a recline range of 130° to 155°.
- Rocking Mode: Engage the one-button rocking mode for gentle, rhythmic movement.
- Lumbar Heat: Activate the carbon fiber heating function for soothing warmth in the lumbar area (temperature range 35-40°C).
- Foot Massage: Utilize the foot rollers and air compression for a comprehensive foot and lower leg massage.

Image: Close-up view of the foot massage rollers within the ROTAI A39-B massage chair, designed to knead the soles of the feet.

Image: Internal view of the ROTAI A39-B foot massage mechanism, showing the rollers and air compression components working on the foot.

Image: The adjustable footrest of the ROTAI A39-B massage chair, extending to accommodate different user heights.
- Bluetooth Connectivity: Connect your smartphone or other Bluetooth-enabled device to the chair's integrated speakers to enjoy music during your massage.
- Offline Voice Control: Use voice commands to control various functions of the chair without needing to use the remote. Refer to the specific voice commands listed in the full manual.

Image: Illustration of the ROTAI A39-B's voice control feature, showing a user giving commands like "Hello, massage chair" and "Music on".
Maintenance and Care
Proper maintenance ensures the longevity and optimal performance of your ROTAI A39-B massage chair.
- Cleaning: Regularly wipe the chair's surface with a soft, damp cloth. Do not use abrasive cleaners or solvents. Ensure the chair is unplugged before cleaning.
- Storage: When not in use for extended periods, store the chair in a cool, dry place, away from direct sunlight and extreme temperatures.
- Inspection: Periodically check the power cord and plug for any damage. Ensure all connections are secure.
Troubleshooting
If you encounter any issues with your ROTAI A39-B massage chair, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Chair does not power on. | Power cord not properly connected; power outlet malfunction. | Ensure the power cord is securely plugged into both the chair and a working electrical outlet. Check the circuit breaker. |
| Massage intensity feels too weak or too strong. | Incorrect program or intensity setting. | Adjust the massage intensity and speed settings using the control panel. Try a different automatic program. |
| Abnormal noise during operation. | Loose components; foreign object obstruction. | Turn off and unplug the chair. Inspect for any loose parts or obstructions. If the noise persists, contact customer support. |
| Bluetooth connection issues. | Device not discoverable; interference. | Ensure Bluetooth is enabled on your device and the chair. Move closer to the chair. Disconnect and reconnect. |
For issues not listed here, or if troubleshooting steps do not resolve the problem, please contact ROTAI customer support.
Technical Specifications
| Feature | Detail |
|---|---|
| Brand | ROTAI |
| Model Number | A39-B |
| Color | Black |
| Product Dimensions (L x W x H) | 128 x 114 x 77 cm |
| Item Weight | 68 Kilograms |
| Material | Metal, Faux Leather |
| Back Style | Solid Back |
| Frame Material | Metal |
| Number of Units | 1.0 Total |
| Massage Programs | 19 Automatic Programs |
| Massage Techniques | 6 Modes (Kneading, Knocking, Shiatsu, Rubbing, Sync, Tapping) |
| Massage Speeds | 5 Speeds |
| Zero Gravity Modes | 2 Modes |
| Lumbar Heat Temperature | 35-40°C |
| Connectivity | Bluetooth, Offline Voice Control |
Warranty and Customer Support
For warranty information, technical support, or service inquiries, please contact the seller, ROTAI-Be, directly through your purchase platform. Please have your model number (A39-B) and purchase date available when contacting support.
Seller: ROTAI-Be
ASIN: B0DW7T44XR