Office chair Happygame 5902 — ergonomic design, adjustable height

Office chair Happygame 5902 in leather substitute, on castors, with adjustable height and backrest inclination. Designed for everyday desk use, it supports posture with a high backrest and allows customization of the seating position through height and backrest adjustments. Suitable for home offices and workplaces with a maximum user weight of 120 kg.

Advantages

The Happygame 5902 offers an ergonomic high-back design with adjustable height and tilt, a sturdy cross base for stability, and smooth mobility on castors. Its leather substitute upholstery is easy to maintain and integrates with different interior styles. Compact dimensions make it suitable for typical desk spaces while supporting users up to 120 kg.

Suitable for

• Home office workstations
• Corporate desks and shared workspaces
• Study desks and remote learning setups
• Extended sitting periods requiring basic ergonomic support

Key specifications

• Model: Happygame 5902 (MPN: chelsea5902)
• Upholstery: leather substitute
• Adjustment: height and backrest inclination
• Mobility: castors
• Maximum user weight: 120 kg
• Dimensions (approx.): width 74 cm, depth 70 cm, height 114–123 cm

How to use

Set the chair on a flat surface and ensure the castors roll freely. Adjust the seat height using the height lever so your feet rest flat on the floor and knees are at approximately 90 degrees. Use the backrest tilt control to find a comfortable recline while maintaining lumbar support. Check that all adjustments lock securely before sitting for extended periods.

Usage recommendations

For durability and safety, avoid exceeding the stated maximum weight of 120 kg. Periodically check and tighten fasteners, keep castors free of debris, and clean the leather substitute upholstery with a damp cloth and mild detergent as needed.