The Sihoo B300 Pro ergonomic office chair has hit the market with a launch discount that brings its price below $250, making premium adjustability more affordable for remote workers, office professionals, content creators, and gamers.
Key features and adjustability
The chair’s standout feature is a 4D MicroFit lumbar support system that provides 50 mm of height adjustment, 20 mm of depth adjustment, forward‑and‑back movement, and lateral tilt. This allows users to keep the lower back aligned across multiple sitting positions.
Six‑direction armrests (6D) move vertically, forward and backward, inward and outward, rotate, and flip upward when not in use, giving users natural arm positioning for typing, reading, phone use, or extended gaming sessions.
Backrest height can be adjusted across a 5.5 cm range, and seat‑depth adjustment offers a 5 cm range, helping multiple users share a workstation. An intelligent recline system automatically adjusts tension based on user weight, eliminating manual tuning. The chair supports three recline angles: 105° for focused work, 120° for relaxed activities, and up to 135° for deeper relaxation when paired with a footrest model.
Materials and comfort
The B300 Pro uses a premium breathable mesh throughout the seat and backrest, promoting airflow and reducing heat buildup during long work or gaming sessions. This mesh construction adds elasticity while maintaining support.
Pricing and promotion
Originally priced at $329.99 for the black model, the launch discount reduces the price to $259.99. Applying promo code SIHOOUSA6 lowers the final cost to $244.39. The white model starts at $269.99 before the additional discount.
Shoppers can use the same promo code at checkout to secure the reduced price.
Who might benefit
Because of its extensive adjustability, the Sihoo B300 Pro is suitable for anyone who spends long hours at a desk, including remote employees, office staff, video creators, and gamers seeking personalized support.
Overall, the chair combines a range of ergonomic features typically found in higher‑priced models with a price point that makes it accessible to a broader audience.
Original reporting: Las Cruces Sun News (HLL/CB) — read the source article.