Introduction
Thank you for choosing the Vinsetto Heated Massage Office Chair. This manual provides essential information for the safe assembly, operation, and maintenance of your new chair. Please read these instructions carefully before use and retain them for future reference.

The Vinsetto Heated Massage Office Chair, designed for comfort and support.
Safety Instructions
- Ensure all components are present and undamaged before assembly. Do not use if any parts are missing or broken.
- Follow assembly instructions precisely. Improper assembly can lead to instability and injury.
- Do not exceed the maximum weight capacity of 120 kg (265 lbs).
- Keep children and pets away from the chair during assembly and operation.
- Use the chair on a level, stable surface.
- Avoid exposing the chair to direct sunlight or extreme temperatures.
- Do not use sharp objects near the chair's fabric to prevent damage.
- For electrical components (massage/heat), ensure the power cord is not pinched or damaged. Disconnect from power when not in use or before cleaning.
- Consult a medical professional before using the massage and heat functions if you have any medical conditions.
Package Contents
Please verify that all the following components are included in your package:
- Backrest
- Seat Cushion
- Armrests (2)
- Gas Lift Cylinder
- Star Base
- Casters (5)
- Remote Control (Wired)
- Assembly Hardware (screws, washers, Allen wrench)
- Power Adapter
Setup and Assembly
Assembly is required for this chair. Please follow the general steps below. Refer to the detailed assembly diagram provided in your product packaging for specific instructions and hardware identification.
- Attach Casters: Insert the five casters into the holes at the end of each leg of the star base until they click securely into place.
- Install Gas Lift: Place the gas lift cylinder into the center hole of the star base.
- Attach Armrests to Seat: Secure the armrests to the underside of the seat cushion using the provided screws. Ensure they are oriented correctly.
- Attach Backrest to Seat: Connect the backrest to the seat cushion using the designated brackets and screws.
- Connect Seat Assembly to Gas Lift: Carefully place the assembled seat and backrest onto the gas lift cylinder, ensuring it is centered and stable.
- Connect Power: Plug the power adapter into the chair's power input and then into a suitable electrical outlet.
Operating Instructions
1. Seat Height Adjustment

The remote control can be conveniently stored in the side pocket.
To adjust the seat height, locate the lever on the right side, beneath the seat. While seated, pull the lever up to lower the seat. To raise the seat, stand up slightly and pull the lever up. Release the lever at your desired height.

Detail of the gas lift mechanism for height adjustment.
2. Reclining Backrest and Footrest
The chair features a reclining backrest and an extendable footrest for enhanced comfort.
- Recline: Locate the recline lever on the left side of the chair. Pull the lever up and lean back to recline the backrest to your desired angle (up to 155 degrees). Release the lever to lock the position.
- Footrest: To extend the footrest, pull the handle located on the side of the seat. Pull the footrest out until it is fully extended. To retract, push the footrest back in until it locks into place.

The chair reclines up to 155 degrees with an extendable footrest for relaxation.
3. Massage and Heating Functions
The chair is equipped with six vibration massage points and a lumbar heating function, controlled by a wired remote.

Diagram illustrating the chair's dimensions.
- Power On/Off: Press the power button on the remote to turn the massage and heat functions on or off.
- Massage Modes: Use the 'Mode' buttons (M1-M5) to select from five different vibration massage programs.
- Massage Intensity: Adjust the massage intensity using the '+' and '-' buttons.
- Heating Function: Press the 'Heat' button to activate or deactivate the lumbar heating.
- Timer: The remote may include a timer function to set the duration of the massage. Refer to the remote's specific markings.
4. Swivel Function
The chair features a 360-degree swivel function, allowing for easy movement and access within your workspace.
Maintenance
- Cleaning: The microfiber fabric is easy to maintain. For spills or stains, spot clean immediately with a mild detergent and a damp cloth. Do not use harsh chemicals or abrasive cleaners.
- General Care: Regularly check all screws and bolts to ensure they are tight. Retighten if necessary.
- Caster Care: Periodically clean hair and debris from the casters to ensure smooth rolling.
- Electrical Components: Keep the remote control and power adapter dry. Disconnect power before cleaning the chair.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Chair does not adjust height | Gas lift cylinder malfunction or lever not engaged. | Ensure the lever is fully pulled. If the issue persists, the gas lift may need replacement. |
| Massage/Heat not working | Power not connected, remote malfunction, or internal wiring issue. | Check if the power adapter is securely plugged into the chair and a working outlet. Ensure the remote is not damaged. |
| Chair feels unstable/wobbly | Loose screws or uneven floor. | Check and tighten all assembly screws. Ensure the chair is on a flat, even surface. |
| Casters not rolling smoothly | Debris caught in casters. | Turn the chair over and remove any hair, dust, or debris from the caster wheels. |
Specifications
- Model Number: 921-661V90GY
- Overall Dimensions: 66W x 74D x 114-121.5H cm (25.98"W x 29.13"D x 44.88"-47.83"H)
- Reclined Dimensions: 65L x 120D x 93H cm
- Seat Size: 54W x 46D cm (21.26"W x 18.11"D)
- Seat Height: 56-64 cm (22.05"-25.2")
- Armrest Height (from seat): 17 cm (6.69")
- Backrest Dimensions: 53W x 64H cm (20.87"W x 25.2"H)
- Maximum Weight Capacity: 120 kg (265 lbs)
- Material: Microfiber (100% Polyester), Foam Padding, Multi-layer Board, Steel
- Input: 100-240V, 50/60Hz
- Output: 12V/1A, 12W
- Color: Grey
Warranty Information
Warranty terms and conditions for the Vinsetto Heated Massage Office Chair may vary depending on your region and retailer. Please refer to the warranty documentation provided with your purchase or contact your point of sale for detailed information regarding warranty coverage and claims.
Customer Support
For further assistance, questions, or to report any issues with your Vinsetto Heated Massage Office Chair, please contact Vinsetto customer support or your retailer. You can often find contact information on the manufacturer's official website or on your purchase receipt.
Visit the official Vinsetto store: Vinsetto Store on Amazon





