"A list of features from a $300 chair, built with sub-$100 parts."
The 'pocket spring cushion' attempts to mimic a mattress for a 'sofa-like' feel, but in a budget office chair this translates to using many cheap, small springs which are unlikely to provide consistent, long-term support compared to a single piece of quality high-density foam.
This is for someone who absolutely cannot spend over $100 but wants the specific aesthetics and recline/footrest features of a 'gaming chair'. It's a choice for very light, intermittent use where looks are prioritized over ergonomic function or longevity.
Anyone who works from home or games for multiple hours a day should skip this. The lack of adjustable armrests is a deal-breaker for proper desk ergonomics, and the materials are not specified for durability under daily use.