Introduction
This manual provides detailed instructions for the assembly, operation, and maintenance of your YONISEE Modern Recliner Sofa Set. This set includes a 3-seat reclining sofa and a 1-piece 360° swivel recliner chair, both featuring heat and massage functions. Please read this manual thoroughly before use to ensure safe and proper operation and to maximize the lifespan of your furniture.

Image Description: A YONISEE 3-seat recliner sofa and a single swivel recliner chair are arranged in a modern living room. The sofa features a center console with cup holders, and both pieces are upholstered in black material with diamond-patterned stitching on the backrests. The room is well-lit, showcasing the furniture's design.
Important Safety Information
- Keep children and pets away from the reclining mechanism.
- Ensure sufficient clearance around the furniture when reclining to prevent obstruction or damage.
- Do not stand on the footrest or armrests.
- Avoid placing heavy objects on the reclining parts.
- Unplug the power cord before cleaning or performing any maintenance.
- The USB charging port is designed for low-power devices like smartphones and tablets. Do not connect high-power devices.
- Maximum weight limit per seat is 360 lbs. Do not exceed this limit.
Package Contents
Your YONISEE Recliner Sofa Set is shipped in multiple boxes (typically 7) and may arrive at different times. Please verify all components are present before beginning assembly.
- 1 x 3-Seat Recliner Sofa with Center Console
- 1 x 360° Swivel Recliner Chair with Massage
- Assembly Accessories (screws, bolts, tools if included)
- Assembly Instructions (this manual)
Product Dimensions
Refer to the diagram below for detailed measurements of the recliner sofa set.

Image Description: A diagram illustrating the dimensions of the YONISEE 3-seat recliner sofa and the single swivel recliner chair. The 3-seat sofa measures 87.4 inches in width, 28.7 inches in depth, and 41 inches in height. The single recliner chair measures 33.5 inches in width, 28.7 inches in depth, and 40 inches in height. Both are shown with their recline extended, indicating a depth of 60.6 inches for the sofa and 36.6 inches for the chair when fully reclined.
- Overall Item Dimensions (Sofa): 87.4 x 28.7 x 41 inches
- Item Weight: 330 Pounds (Total)
- Weight Limit: 360 Pounds per seat
Setup and Assembly
Assembly of the YONISEE Recliner Sofa Set is designed to be straightforward. Follow these steps carefully. It is recommended to have two people for assembly.
- Unpack Components: Carefully remove all parts from the boxes. Ensure all components listed in the 'Package Contents' section are present.
- Connect Base Sections: Align the base sections of the sofa and chair. Secure them using the provided hardware.
- Attach Backrests: Slide the backrests onto the corresponding base sections until they click securely into place.
- Attach Armrests: For the single recliner chair, attach the armrests to the sides.
- Connect Power: Plug in the power cords for the massage, heat, and USB functions.

Image Description: A close-up view of the YONISEE recliner sofa highlighting its thoughtful design features. This includes two side pockets, a USB charging port, a center console box, and an exquisite storage drawer. A couple is shown comfortably seated on the sofa, utilizing these features.
For a visual guide on assembly and features, please watch the official product video:
Video Description: An official YONISEE product video demonstrating the assembly process and various features of the 3-seat recliner sofa, including its storage options, USB charging, and reclining capabilities. The video showcases the sofa in a home setting, highlighting its design and functionality.
Operating Instructions
Reclining Function (3-Seat Sofa)
The left and right seats of the 3-seat sofa feature a manual reclining mechanism. To recline, locate the lever on the side of the seat and pull it. Lean back to extend the footrest and recline the backrest to your desired angle. To return to the upright position, push down on the footrest with your legs while leaning forward. Note: The middle seat of the 3-seat sofa does not have a reclining or footrest function.

Image Description: An image demonstrating the manual recline function of the 3-seater sofa. It shows a hand pulling a lever to activate the recline, and illustrations of different recline angles: 90° for reading, 120° for watching movies, and 150° for napping. A man and a woman are shown using the reclining seats.
Single Swivel Recliner Chair (Heat & Massage)
The single recliner chair offers enhanced comfort features:
- Rocking & Swivel: The chair can rock gently and swivel 360 degrees for flexible positioning.
- Massage Function: Features 8 vibration points (back, lumbar, thigh, leg) with 5 modes and 2 intensity levels. Use the remote control to select your preferred settings.
- Lumbar Heating: Activate the lumbar heating function via the remote control for added comfort and relaxation.
Convenient Features
- USB Charging Port: Located on the side of the sofa, this port allows you to charge low-power devices such as smartphones and tablets. (Note: Not suitable for high-power devices.)
- 360° Rotatable Phone Holder: Easily adjust your phone to an ideal viewing position, freeing your hands.
- Cup Holders: Integrated cup holders in the center console and armrests provide a secure place for beverages.
- Storage: The sofa includes a center console with storage boxes and delicate drawers. The single seat armrests can also be opened for additional storage.
Maintenance and Care
To keep your YONISEE Recliner Sofa Set in optimal condition, follow these care guidelines:
- Cleaning: For general cleaning, wipe the surface with a soft, damp cloth or baby wipes. Avoid harsh chemicals or abrasive cleaners.
- Spills: Blot spills immediately with a clean, dry cloth. Do not rub.
- Dusting: Regularly dust the furniture with a soft, dry cloth.
- Sunlight: Avoid prolonged exposure to direct sunlight to prevent fading and material degradation.
- Inspection: Periodically check all connections and hardware to ensure they are tight. Tighten if necessary.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Reclining mechanism not working. | Obstruction, loose connection, or mechanism issue. | Check for obstructions. Ensure all parts are correctly assembled and secured. If the issue persists, contact customer support. |
| Massage/Heat function not working. | Power cord unplugged, remote control battery low, or internal wiring issue. | Verify the power cord is securely plugged into a working outlet. Check remote control batteries. If still not working, contact customer support. |
| USB port not charging. | Device incompatible (high power), loose connection, or power issue. | Ensure the device is low-power (e.g., smartphone, tablet). Check the USB cable connection. Verify the sofa is powered on. |
| Sofa/Chair feels unstable. | Loose assembly hardware. | Inspect and tighten all assembly screws and bolts. Ensure the furniture is on a level surface. |
If you encounter any issues not listed here or if the suggested solutions do not resolve the problem, please contact YONISEE customer support for assistance.
Specifications
| Feature | Detail |
|---|---|
| Brand | YONISEE |
| Model Number | YN-06-3+1-BK |
| Style | 3+1 (3 Seat Recliner Sofa & 1PC Swivel Recliner Chair) |
| Color | Black |
| Material Type | Skin-friendly soft PU leather, high-density memory foam, fluffy cotton cushions |
| Item Dimensions (Sofa) | 87.4 x 28.7 x 41 inches |
| Item Weight | 330 Pounds |
| Weight Limit (per seat) | 360 Pounds |
| Seating Capacity | 4 |
| Reclining Position Count | 2 (for reclining seats) |
| Assembly Required | Yes |
| Included Components | 1*3 Seat Recliner with Center Console, 1*360° Swivel Recliner Chair with Massage, Accessories & Assembly instructions |
Warranty and Support
Your YONISEE Recliner Sofa Set comes with a 1-year warranty. This warranty covers manufacturing defects and ensures expert assistance for any issues with parts. For warranty claims, technical support, or any questions regarding assembly or use, please contact YONISEE customer service. Refer to your purchase documentation for specific contact details.