1. Introduction and Overview
This manual provides essential information for the assembly, operation, maintenance, and troubleshooting of your HINOMI H1 Pro V2 Ergonomic Office Chair. Designed for optimal comfort and support, this chair features numerous adjustable components to suit individual preferences and promote a healthy posture during extended periods of sitting.
Key features include a 3D adaptive neck support, 3D lumbar technology, 5D adjustable flip-up armrests, an extendable footrest, and a foldable design for space-saving convenience.

Image 1.1: The HINOMI H1 Pro V2 Ergonomic Office Chair with its footrest extended, showcasing its reclining capability.
2. Safety Information
- Weight Capacity: This chair is designed to support a maximum weight of 150 kg (330 lbs). Do not exceed this limit to prevent damage or injury.
- Assembly: Follow all assembly instructions carefully. Improper assembly can lead to instability and potential hazards.
- Intended Use: This chair is intended for professional or personal use in an office environment. Do not use it for purposes other than its intended design.
- Stability: Ensure all components are securely fastened before use. Avoid standing on the chair or using it as a step stool.
- Adjustments: Make adjustments slowly and carefully. Ensure hands and fingers are clear of moving parts to avoid pinching.
3. Package Contents
Before beginning assembly, verify that all the following components are present in your package:
- Chair frame
- Headrest
- Piston (Gas Lift)
- Casters (Wheels)
- Tools kit (for assembly)
4. Setup and Assembly
The HINOMI H1 Pro V2 chair is designed for quick and straightforward assembly. It can typically be assembled in 4 simple steps within 5 minutes. For detailed, step-by-step visual instructions, please refer to the official Installation Manual PDF provided by HINOMI.
Assembly Steps Overview:
- Attach the casters to the chair base.
- Insert the gas lift piston into the chair base.
- Connect the seat mechanism to the chair backrest.
- Place the assembled seat and backrest onto the gas lift piston.
A tools kit is included to assist with the assembly process.
Disassembly: To disassemble the chair, reverse the assembly steps. If removing the gas lift proves challenging, seek assistance or contact customer support to prevent damage.

Image 4.1: The HINOMI H1 Pro V2 chair's unique foldable design, allowing for compact storage and expanded activity space with flippable armrests.
5. Operating Instructions (Adjustments)
The HINOMI H1 Pro V2 chair offers 16 adjustable points for a customized ergonomic fit. Familiarize yourself with these adjustments to optimize your comfort and support.

Image 5.1: Overview of the chair's industry-leading adjustments for a tailored fit.
5.1 Headrest (FushionMax™)
The 3D Adaptive Neck Support allows for personalized head and neck comfort.
- Height Adjustment: Adjust the headrest up or down to align with your neck's natural curve.
- Tilt Adjustment: Tilt the headrest forward or backward to support your head in various positions.
- Depth Adjustment: Adjust the depth (9 cm / 3.5 inches) for closer or further support.
- Angle Adjustment: Adjust the angle (45°) for optimal neck alignment.

Image 5.2: Detailed adjustments for the FushionMax™ 3D Adaptive Neck Support.
5.2 Lumbar Support (FlexiLumbar™)
The 3D Lumbar Technology provides accurate support to your lower back.
- Height Adjustment: Adjust the lumbar support vertically (5-level adjustable height) to target the curve of your lower back (L1-L5).
- Forward Support: Adjust the forward tension (4-level) to control the intensity of the lumbar support.

Image 5.3: FlexiLumbar™ 3D Lumbar Support adjustments.
5.3 Armrests (Flip5D™)
The versatile flip-up armrests offer 5-dimensional adjustments.
- Height Adjustment: Adjust the armrests up or down (7 cm).
- Width Adjustment: Adjust the armrests inward or outward (4 cm).
- Depth Adjustment: Slide the armrest pads forward or backward (8 cm).
- Pivot Adjustment: Rotate the armrest pads (20°).
- Flip-Up Function: Flip the armrests up (90°) to move them out of the way or for space-saving.

Image 5.4: Flip5D™ Multifunctional Armrest adjustments.
5.4 Seat Depth and Height
- Seat Depth: Adjust the seat pan forward or backward to ensure proper leg support and clearance behind the knees.
- Seat Height: Use the lever to adjust the seat height up or down to ensure your feet are flat on the floor or a footrest, with knees at a 90-degree angle.
5.5 Recline (FineTilt™)
The chair features a reclining function for relaxation.
- Recline Angle: Adjust the backrest recline angle (up to 136°).
- Tilt Tension: Adjust the tilt tension to control the effort required to recline and the firmness of the recline.
5.6 Extendable Footrest
The retractable footrest provides additional comfort for stretching and relaxation.
- Extension: Pull the footrest out from under the seat when desired.
- Retraction: Push the footrest back under the seat when not in use.

Image 5.5: Retractable legrest for relaxation and comfort.
6. Maintenance and Care
Proper care and maintenance will extend the life and appearance of your HINOMI H1 Pro V2 chair.
6.1 General Product Care
- Cleaning: For general cleaning, wipe surfaces with a damp cloth. For deeper cleaning, dry clean as needed.
- Inspection: Periodically check all bolts and screws to ensure they are tight. Retighten if necessary.
6.2 Mesh Material Care
The chair features breathable and durable hybrid mesh upholstery. To maintain its condition:
- Use a fabric cleaner to remove stains.
- Vacuum regularly to remove dust and debris.
- Use a wet cloth to gently wipe away grime.
- Avoid sitting on the chair with dirty or oily clothes.
- Do not use sharp objects or abrasive materials on the mesh.
- Avoid prolonged exposure to direct sunlight to prevent material degradation.

Image 6.1: Breathable and Durable Hybrid Mesh material.
7. Troubleshooting
This section addresses common issues you might encounter with your HINOMI H1 Pro V2 chair.
7.1 Adjustments Not Holding
- Issue: Lumbar support, armrests, or headrest settings slip or do not remain in the desired position.
- Solution: Ensure that all adjustment mechanisms are fully engaged and locked after setting. Some adjustments may require a firm push or pull to secure. If the issue persists, inspect the plastic grooves or locking mechanisms for any obstructions or damage.
7.2 Squeaking or Noise
- Issue: The chair makes squeaking or creaking noises during use.
- Solution: Check all bolts and screws for tightness and retighten if loose. Apply a small amount of silicone-based lubricant to moving parts or joints if the noise continues.
7.3 Gas Lift Malfunction
- Issue: The chair does not stay at the desired height or sinks slowly.
- Solution: This indicates a potential issue with the gas lift piston. If the chair is within its warranty period, contact customer support for a replacement.
7.4 Functional Defects
If you encounter any functional defects not covered above, replacements may be available depending on the type and timing of the defect. Refer to the Warranty section for details.
8. Specifications
Detailed specifications for the HINOMI H1 Pro V2 Ergonomic Office Chair:
| Feature | Detail |
|---|---|
| Brand | HINOMI |
| Model Name | H1PROV2 |
| Color | Black (Standard) |
| Product Dimensions (D x W x H) | 27.6"D x 27.6"W x 42.5"H |
| Item Weight | 67.1 pounds |
| Maximum Weight Recommendation | 150 Kilograms (330 lbs) |
| Fill Material | Mesh |
| Frame / Base Material | Polyamide & Glass Fiber / Foldable Frame |
| Special Features | Adjustable Backrest, Adjustable Headrest, Adjustable Lumbar, Ergonomic, Foldable, Extendable Footrest |
| Arm Style | Flip-up armrest (5D Adjustable) |
| Reclining Position Count | 1 (Max 136° recline) |
| Furniture Base Movement | Swivel |
| Certifications | BIFMA, ISO 12947-2, OEKO-TEX Standard 100 |

Image 8.1: Detailed chair dimensions and size recommendations.
8.1 Size Recommendations
| Size | Chair Height | Floor to Seat Base | Armrest Lowest to Highest | Recommended for Users |
|---|---|---|---|---|
| S (Small) | 42.5" - 45.3" | 17.3" - 20.1" | 24.6" - 30.1" | 5'1" - 5'6" tall |
| M (Medium) | 44.1" - 57.9" | 18.9" - 22.4" | 26.2" - 32.5" | 5'6" - 6'1" tall |
| L (Large) | 44.9" - 58.7" | 19.7" - 23.2" | 26.2" - 32.5" | 5'9" - 6'6" tall |
9. Warranty and Support
HINOMI provides a comprehensive warranty for your H1 Pro V2 Ergonomic Office Chair.
9.1 Warranty Coverage
- Up to 12 Years Coverage: Skeletal Frame, Aluminum Frame, Polyamide Frame, Wheelbase.
- Up to 7 Years Coverage: Lumbar Support, Armrest Mechanism, Castor Mechanism, Central Mechanism Hub.
9.2 Important Warranty Information
- Handle the chair carefully to prevent misuse-related damage like scratches or excessive force.
- Defects beyond the specified timeframes are not eligible for replacement.
- Do not use substitution of unauthorized components for use in the Product.
- Normal wear and tear is expected over time and is not covered under warranty.

Image 9.1: HINOMI Warranty Coverage details.
9.3 Customer Support
For any inquiries, support, or warranty claims, please contact HINOMI customer service:
Email: support@hinomi.co