Office Chairs Under 400 Yuan

There are several ergonomic office chairs available for under 400 yuan that are worth considering. Here are specific recommendations and their feature analyses:

Habitat P1 Second Generation
This model features a dual-back mesh structure with a scientifically curved backrest design, paired with a 40° adaptive lumbar support that dynamically adjusts the support angle based on lumbar movements. It precisely fits the lumbar curve, reducing fatigue from prolonged sitting. The mesh material offers excellent breathability, making it suitable for summer or long office hours. The elastic design of the lumbar support avoids the压迫感 (pressure sensation) of hard supports, making it ideal for users with clear lumbar support needs but limited budgets.

Sihoo M56 Second Generation
Its core advantage lies in its bionic dual-back design, with a backrest that can be adjusted up and down by 6cm, paired with a 50mm elastic adaptive lumbar pillow that requires no manual adjustment to fit different heights and body types. The dual-back structure distributes support force to the shoulder blades and lumbar regions, preventing concentrated pressure on a single area. The no-adjustment feature lowers the usage threshold, making it suitable for shared use among multiple family members or scenarios requiring high operational convenience.

Deli 4900S
The backrest adopts a C-curve design, providing a gentle wrapping sensation through human back curve-fitting technology, suitable for users who prefer soft support. Its seat cushion front features a waterfall design that reduces pressure on the thigh roots, promoting blood circulation. In terms of materials, both the backrest and seat cushion use high-density foam with moderate resilience, balancing comfort and durability, making it suitable for office scenarios with an average daily usage of 4-6 hours.

Baohua Beixuan Bionic Dragon Bone Staff Chair
This model focuses on stability as its core selling point, featuring a five-star nylon base design with a load-bearing capacity of over 150kg, suitable for larger users or those with high chair stability requirements. The bionic dragon bone structure of the backrest provides basic support. Although it lacks complex adjustment functions, its thickened steel frame ensures no deformation over long-term use, making it suitable for budget-limited users prioritizing durability.

Yongyi Walker Pro
It emphasizes a lumbar-back separation design, supporting 40mm up and down adjustment to precisely match the lumbar positions of users of different heights. The 3D adjustable armrests (up/down/forward/backward/rotation) and a maximum 135-degree recline function meet basic health support needs. The combination of mesh material and breathable foam seat cushion balances support and comfort, making it suitable for users who need to take naps or frequently recline to relax.