JUMMICO JM-OCRC0164
JUMMICO JM-OCRC0164 Ergonomic Gaming Chair User Manual
Model: JM-OCRC0164 | Brand: JUMMICO
1. Introduction
This manual provides essential instructions for the assembly, operation, and maintenance of your JUMMICO JM-OCRC0164 Ergonomic Gaming Chair. Designed for comfort and durability, this chair features high-quality PU leather, a BIFMA certified metal base, and an air pressure lifting device. It includes a high backrest, wide seat, adjustable height, recline function, and 360° swivel to enhance your gaming and work experience.

Figure 1: JUMMICO JM-OCRC0164 Ergonomic Gaming Chair (Black)
2. Package Contents
Please verify that all components listed below are present in your package before beginning assembly. If any parts are missing or damaged, please contact JUMMICO customer support.
- 1 x Backrest
- 1 x Seat
- 1 x Footrest
- 1 x Hardware Fitting Bag (contains screws, tools, etc.)
- 1 x Instruction Manual (this document)
3. Setup and Assembly
Assembly of the JUMMICO Gaming Chair is designed to be straightforward. All components are labeled with letters or numbers. Please follow the detailed steps provided in the included instruction manual (physical copy) for precise assembly. A general overview of the assembly process is provided below.
- Unpack Components: Carefully remove all parts from the packaging and lay them out on a clean, flat surface.
- Attach Casters to Base: Insert the casters into the holes on the star base.
- Install Gas Lift: Place the gas lift cylinder into the center hole of the star base.
- Assemble Mechanism to Seat: Attach the seat mechanism to the underside of the seat cushion using the provided screws.
- Connect Backrest to Seat: Secure the backrest to the seat cushion using the appropriate hardware.
- Attach Armrests: Fasten the armrests to the seat and backrest assembly.
- Install Footrest: Attach the footrest mechanism to the underside of the seat.
- Mount Seat Assembly to Gas Lift: Carefully place the assembled seat onto the gas lift cylinder.
- Attach Lumbar and Headrest Pillows: Position the lumbar support and headrest pillows as desired.

Figure 2: Product Dimensions for Assembly Reference
4. Operating Instructions
Your JUMMICO Gaming Chair offers several adjustable features to customize your seating experience for optimal comfort and support.
4.1. Height Adjustment
To adjust the chair's height, locate the lever on the right side beneath the seat. Pull the lever upwards while seated to lower the chair, or pull the lever upwards while standing to raise the chair. Release the lever to lock the height in place.
4.2. Recline Function
The backrest can be reclined up to 135 degrees. Locate the recline lever on the left side of the chair. Pull the lever upwards and lean back to adjust the angle. Release the lever to lock the backrest at your desired position.

Figure 3: Adjustable Recline (90° to 135°) and 360° Swivel
4.3. Footrest Operation
To extend the footrest, pull it out from beneath the seat. To retract, push it back until it is fully stored. The footrest provides additional support for your legs and feet when reclining.

Figure 4: Adjustable Footrest and Massage Lumbar Support
4.4. Lumbar Massage Function
The chair includes a massage lumbar support pillow. Connect the USB cable from the lumbar pillow to a compatible USB power source (e.g., computer, power bank, USB wall adapter) to activate the massage function. The pillow is designed to provide relaxation and help relieve fatigue in the waist area.

Figure 5: Ergonomic Design with Neck, Back, Waist Support, and Lumbar Massage
4.5. 360° Swivel
The chair features a 360° swivel function, allowing for easy rotation and movement without needing to reposition the entire chair.
5. Maintenance
Regular maintenance will help prolong the life and appearance of your JUMMICO Gaming Chair.
- Cleaning: Wipe the PU leather surfaces with a soft, damp cloth. For stubborn stains, use a mild soap solution and immediately wipe dry. Avoid harsh chemicals or abrasive cleaners.
- Hardware Check: Periodically check all screws and bolts to ensure they are tight. Re-tighten if necessary to maintain stability and prevent loosening.
- Caster Care: Keep the casters clean from hair and debris to ensure smooth rolling.
- Avoid Overloading: Do not exceed the maximum weight recommendation of 330 pounds.
6. Troubleshooting
If you encounter any issues with your chair, please refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Chair feels wobbly or unstable | Loose screws or bolts. | Check and tighten all assembly screws, especially those connecting the armrests and backrest to the seat mechanism. |
| Gas lift not adjusting height | Lever not fully engaged or gas lift malfunction. | Ensure the height adjustment lever is pulled completely. If the issue persists, contact customer support. |
| Footrest not extending/retracting smoothly | Obstruction or mechanism issue. | Check for any obstructions. Ensure the footrest is pulled/pushed straight. Avoid excessive force. |
| Massage function not working | USB power issue or cable disconnection. | Verify the USB cable is securely connected to a working power source. Try a different USB port or adapter. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | JUMMICO |
| Model Name | JM-OCRC0164 (Video Gaming Chair) |
| Color | Black |
| Product Dimensions (D x W x H) | 18.5"D x 23.61"W x 50.4"H |
| Maximum Weight Recommendation | 330 Pounds |
| Material | PU Leather, Foam (Fill Material) |
| Back Style | Open Back |
| Special Features | Adjustable Height, Recline (up to 135°), 360° Swivel, Footrest, Massage Lumbar Support |
| Seat Height | 17.3 Inches |
| Seat Depth | 18.48 Inches |
| Seat Length | 19.7 Inches |
| Item Weight | 41.9 Pounds |
| Manufacturer | JUMMICO |
8. Warranty and Support
JUMMICO is committed to providing quality products and customer satisfaction. For warranty information, technical support, or assistance with missing/damaged parts, please contact JUMMICO customer service through the retailer where the product was purchased or visit the official JUMMICO website.
Please retain your purchase receipt for warranty claims.
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