1. Introduction
This manual provides detailed instructions for the assembly, operation, maintenance, and troubleshooting of your VINGLI Dark Grey Modern 3-in-1 Convertible Sofa Bed Chair Recliner. Please read this manual thoroughly before use to ensure safe and proper operation.
2. Safety Information
- Maximum weight capacity: 380 lbs (172 kg). Do not exceed this limit.
- Always use the adjustable backrest with caution to prevent injury. Ensure hands and fingers are clear of moving parts during adjustment.
- Keep children and pets away from the product during assembly and conversion.
- Ensure all screws and fasteners are securely tightened before use. Periodically check and re-tighten as necessary.
- Do not stand on the product or use it as a step stool.
- Place the product on a level surface to prevent tipping.
3. Package Contents
Please verify that all components listed below are present before beginning assembly. If any parts are missing or damaged, contact customer support.
Image: All components of the VINGLI Convertible Sofa Bed Chair laid out for assembly.
Parts List:
- A: Left Armrest Cushion (1 pc)
- B: Right Armrest Cushion (1 pc)
- C: Backrest Cushion (1 pc)
- D: Seat Cushion (1 pc)
- E: Main Frame (1 pc)
- F: Footrest Cushion (1 pc)
- G: Footrest Frame (1 pc)
- H: Main Legs (4 pcs)
- I: Footrest Wheels (4 pcs)
- J: Washers (8 pcs)
- K: Lumbar Pillow (1 pc)
- L1, L2: USB Port Brackets (2 pcs)
- M: Corner Brackets (4 pcs)
- N, O, P, Q: Various Screws and Bolts
- R: Allen Wrench (1 pc)
- S: USB Power Adapter (1 pc)
4. Setup and Assembly Instructions
Follow these steps carefully to assemble your convertible sofa bed chair. It is recommended to have two people for assembly.
Assembly Video Guide:
Video: Detailed assembly instructions for the sofa chair bed. This video demonstrates each step of putting the furniture together, from attaching brackets to installing the footrest and connecting the USB power.
Step-by-Step Assembly:
- Attach Brackets to Armrests: Locate the left (A) and right (B) armrest cushions. Attach the L1 and L2 brackets to the designated corners of the armrests using screws (N). Ensure they are securely fastened.
- Connect Backrest to Armrests: Position the backrest cushion (C) between the armrests (A and B). Align the holes and secure the backrest to the armrests using screws (P) and washers (Q).
- Attach Seat Cushion: Place the seat cushion (D) onto the main frame. Ensure the holes align with the pre-drilled holes on the frame. Secure with screws.
- Install Footrest Brackets: Attach the corner brackets (M) to the footrest cushion (F) and footrest frame (G) using screws.
- Connect Footrest to Main Frame: Carefully align the footrest assembly with the main frame. Secure it using the appropriate screws and the provided Allen wrench (R).
- Attach Main Legs: Screw the four main legs (H) into the threaded inserts on the bottom of the main frame. Tighten them firmly.
- Install Footrest Wheels: Attach the four footrest wheels (I) to the bottom of the footrest frame (G) using screws (O). Ensure they are securely fastened and can roll smoothly.
- Expand Iron Frame: Pull out the iron frame on both sides of the footrest to extend it.
- Connect Footrest to Main Unit: Turn the base down and connect the footrest to the main unit.
- Final Footrest Attachment: Secure the footrest to the main unit using the remaining screws and the Allen wrench.
- Place Lumbar Pillow: Position the lumbar pillow (K) on the backrest for added comfort.
- Connect USB Power: Locate the USB power adapter (S). Connect the adapter to the port on the side of the chair and plug it into a power outlet.
5. Operating Instructions
Your VINGLI convertible sofa bed chair offers three versatile modes: chair, lounger, and bed. It also features convenient USB ports, cup holders, and side pockets.
Product Features and Conversion:
Video: Demonstrates the VINGLI Convertible Sofa Bed Chair in various modes, including chair, lounger, and bed, highlighting the USB ports and cup holders.

Image: The 3-in-1 Convertible Sleeper Sofa Bed in its three configurations: Accent Chair, Chaise Lounge, and Sofa Bed.
Converting Between Modes:
- From Chair to Lounger: Gently pull the handle located at the front of the seat cushion to extend the footrest. The footrest will roll out on its wheels.
- From Lounger to Bed: With the footrest extended, adjust the backrest to a fully flat (180°) position. This creates a flat sleeping surface.
- From Bed to Lounger/Chair: Reverse the steps. Lift the backrest to your desired angle for a lounger, then push the footrest back under the seat to convert it back to a chair.
Adjusting the Backrest:

Image: The backrest can be adjusted to three positions: 110° (playing games), 140° (watching or reading), and 180° (taking a nap).
The backrest can be adjusted to three positions: 108°, 145°, and 180°. To adjust, gently push the backrest forward slightly, then recline it to your desired angle. It will click into place at each preset position.
Using USB Ports:

Image: Two USB charging ports located on the armrest for convenient device charging.
Two USB charging ports are located on the left armrest. Connect the provided power adapter to the chair and a wall outlet. You can then plug your devices into the USB ports for charging.
Using Cup Holders and Side Pockets:

Image: Integrated cup holders on the armrests for easy access to beverages.

Image: Convenient side pockets for storing magazines, remotes, or other small items.
The chair features two integrated cup holders on the armrests and two side pockets for storing small items like remote controls, magazines, or mobile devices.
6. Maintenance and Care
- Cleaning: Clean the fabric upholstery with mild soap and water. Allow to air dry completely. Avoid harsh chemicals or abrasive cleaners.
- Regular Inspection: Periodically check all fasteners and connections to ensure they are tight. Re-tighten if necessary.
- Spills: Blot spills immediately with a clean, dry cloth. Do not rub.
- Sunlight Exposure: Avoid prolonged exposure to direct sunlight to prevent fading of the fabric.
7. Troubleshooting
If you encounter any issues with your VINGLI Convertible Sofa Bed Chair, please refer to the following common solutions:
- Difficulty Converting: Ensure no obstructions are blocking the moving parts of the frame. Check that all assembly screws are properly tightened.
- Unstable or Wobbly: Verify that all legs are securely attached and tightened. Ensure the chair is placed on a flat, even surface.
- USB Ports Not Working: Check that the USB power adapter is correctly plugged into both the chair and a functioning wall outlet. Ensure the power button on the USB port is activated (if applicable).
- Squeaking Noises: Apply a small amount of silicone lubricant to any moving metal parts if squeaking occurs.
If the problem persists after attempting these solutions, please contact VINGLI customer support for further assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | VINGLI |
| Model Number | VINGLI-3in1-DG |
| Color | Dark Grey |
| Product Dimensions (Sofa Chair) | 35"W × 32.3"D × 33.9"H |
| Product Dimensions (Sofa Bed) | 35"W × 69.7"D × 33.9"H |
| Max Weight Capacity | 380 lbs |
| Material | Sponge (Fill Material), Fabric (Upholstery) |
| Special Features | Adjustable Backrest (3 positions), Arm Rests, Converts to Bed, Reclining, Space Saving, USB Ports, Cup Holders, Side Pockets |
| Recommended Uses | Office, Relaxing, Sleeping |
| Product Care Instructions | Clean with mild soap and water, then air dry |
9. Warranty and Support
For warranty information, product support, or to report missing/damaged parts, please contact VINGLI customer service. Keep your purchase receipt as proof of purchase.
Contact information can typically be found on the product packaging or the official VINGLI website.