1. Safety Information
Please read and understand all safety warnings before using your YONISEE Recliner Sofa.
- Keep away from open flames or high heat sources to prevent fire hazards.
- Supervise children and pets to avoid entrapment risks within the reclining mechanism or storage areas.
- Use caution when operating the reclining mechanism to prevent injury. Ensure no body parts are in the path of moving components.
- Keep fingers away from the storage drawer when closing to avoid pinching.
- The USB port is suitable only for low-power devices such as iPhones and iPads. Do not connect high-power devices.
- This recliner sofa is not electric and requires manual operation. There will be some resistance when closing the footrest. It is NOT recommended for post-surgical recovery use.
2. Package Contents
Your YONISEE 3-Seat Recliner Sofa is shipped in multiple boxes. Please ensure all components are present before beginning assembly.
- 3 Seat Recliner with Flip Back & Drawer (Main Sofa Sections)
- Accessories for Assembly
- 2 Cell Phone Holders
- Assembly Instructions Manual
Note: Your sofa is shipped in 4 boxes and may not arrive at the same time. Please wait for all boxes before starting assembly.
3. Setup and Assembly
The YONISEE 3-Seat Recliner Sofa is designed for easy assembly, with approximately 90% pre-assembly. Two people are recommended for assembly.
3.1 Unpacking and Component Identification
- Carefully open all shipping boxes.
- Locate the zippered compartment on the underside of the sofa sections (often labeled "Part F" in diagrams).
- Remove all packaged components, including the backrests and accessories (e.g., phone holders, power cables), from these compartments.
Video: Demonstrates unpacking components from the sofa's base. This video shows how to access hidden parts within the sofa's zippered compartments, which is crucial for initial setup.
3.2 Assembling the Sofa Sections
- Align the metal brackets on the backrests with the corresponding brackets on the base of each sofa section.
- Slide the backrests firmly into place until they click and lock securely.
- Connect any internal wiring for power features (USB ports, etc.) as indicated in the included assembly instructions.
3.3 Attaching Phone Holders and Power Connection
- Insert the flexible phone holders into the designated ports on the armrests. Tighten the locking mechanism if present.
- Connect the power cables for the USB ports. Ensure all connections are secure.
- Plug the main power cord into a standard electrical outlet.

Image: The fully assembled YONISEE 3-Seat Recliner Sofa, showcasing its design and features.
4. Operating Instructions
4.1 Reclining Function
Each outer seat of the sofa features a manual reclining mechanism.
- To recline: Locate the round pull ring inside the seat, typically on the side. Pull the ring to release the footrest.
- To adjust the recline angle: Lean back using your body weight to achieve your desired position between 90° (upright) and 150° (fully reclined).
- To return to upright position: Push down on the footrest with your legs until it locks into place. Simultaneously, lean forward to bring the backrest upright. Note that some resistance is normal when closing the footrest.
Note: The middle seat does not have a reclining or open footrest function.

Image: Illustration of the manual reclining mechanism, showing the pull ring and footrest operation.
4.2 Flip Backrest Design (Middle Seat)
The middle seat's backrest can be flipped down to serve as a table or console.
- To flip down: Gently push the middle backrest forward until it folds down into a flat surface.
- To return to upright: Lift the backrest until it locks into its upright position.

Image: The middle seat's flip-back design, demonstrating its use as a convenient table surface.
4.3 USB Charging Ports and Phone Holders
The sofa is equipped with USB charging ports and flexible phone holders for convenience.
- USB Ports: Located on the armrests. Connect your low-power devices (e.g., smartphones, tablets) to charge. Ensure the sofa is plugged into a power outlet.
- Flexible Phone Holders: Insert your phone into the holder and adjust the flexible arm to your desired viewing angle.

Image: Detailed view of the flexible 360° phone holder, USB charging ports, and the large storage drawer.
4.4 Storage Features
The sofa includes multiple storage options to keep your living area organized.
- Storage Drawer: A large drawer is located beneath the middle seat for storing books, remote controls, or other items. Pull it out to open, push it in to close.
- Center Console Storage Box: Lift the lid of the center console (when the backrest is flipped down) to access a hidden storage compartment.
- Cup Holders: Four cup holders are integrated into the armrests and the flip-down console for beverages.
- Side Pockets: Two side pockets are available for additional storage.

Image: Shows the product dimensions and a detailed view of the storage drawer and cup holders.
5. Maintenance
Proper care will extend the life and appearance of your YONISEE Recliner Sofa.
- Cleaning PU Leather: Do not expose the PU leather to direct sunlight for prolonged periods, as this can cause fading and cracking. For general cleaning, wipe the surface with a warm, damp cloth. Avoid harsh chemicals or abrasive cleaners.
- Power Safety: Unplug the sofa from the electrical outlet when not in use for extended periods or during cleaning to prevent electrical hazards.
- Frame Inspection: Periodically check the sturdy alloy steel frame for any loose connections or damage.

Image: Highlights the premium materials: skin-friendly PU leather, comfort memory foam, ultra-soft fluffy cotton, and thickened steel pipe.
6. Troubleshooting
If you encounter any issues with your YONISEE Recliner Sofa, please refer to the following common solutions:
- Reclining Mechanism Not Engaging: Ensure the pull ring is fully engaged and that there are no obstructions preventing the footrest from extending. Check that the backrest is properly secured to the base.
- USB Ports Not Working: Verify that the sofa is properly plugged into a functional electrical outlet. Check all internal wire connections made during assembly. Ensure the device you are trying to charge is low-power and compatible with USB charging.
- Sofa Sections Not Aligning: During assembly, ensure all metal brackets are fully engaged and locked. If sections feel loose, re-check the connections.
- Missing Parts: If any parts are missing upon delivery, contact customer support immediately. Remember that the sofa ships in multiple boxes which may arrive separately.
For further assistance, please contact YONISEE customer support.
7. Specifications
| Brand | YONISEE |
| Model Number | YN-3S-FB-BK |
| Product Dimensions (D x W x H) | 36.6"D x 78.1"W x 41"H |
| Item Weight | 220 Pounds |
| Seating Capacity | 3 |
| Weight Limit (per seat) | 360 LBS (Total 1080 LBS) |
| Material Type | Skin-friendly soft PU leather, high-density memory foam, fluffy cotton cushions, alloy steel frame |
| Upholstery Color | Black |
| Reclining Seats | 2 (outer seats) |
| Reclining Positions | 3 (90° to 150°) |
| Special Features | Flip-back middle seat, storage drawer, USB ports, 2 cell phone holders, 4 cup holders, side pockets |
| Assembly Required | Yes (approx. 20 minutes, 2 people recommended) |
8. Warranty and Support
8.1 Product Warranty
Your YONISEE 3-Seat Recliner Sofa comes with a 1-year limited warranty. This warranty covers manufacturing defects and issues with parts under normal use. Please retain your proof of purchase for warranty claims.
8.2 Return Policy
The product is eligible for a 30-day return/replacement policy from the date of purchase. Please refer to the retailer's specific return guidelines for detailed information.
8.3 Customer Support
For any questions, missing parts, or technical assistance, please contact YONISEE customer support. Expert assistance is available to help resolve any issues you may encounter.
You can also visit the YONISEE Store on Amazon for more product information and support resources.