Are you looking for a multifunctional office chair to relieve spine fatigue and improve your work efficiency. Equipped with adjustable headrest， 3D armrest and weight-activated lumbar support， the high back office chair supports your arms， neck and waist in most comfortable position to ease your fatigue. Also， you can change the seat height， back angle and seat depth by operating the sided multi-function buttons. Unlike the ordinary design seen in the market， the advanced system is supposed to bring much more convenience during your daily life. The backrest can be independently adjusted to meet different needs of people. What's more， the mesh back and seat keep the air flow for a cool and comfortable sitting feeling. You can move it on any floor due to the smooth rolling casters， which causes lower noise as well thanks to its mute design.

3D armrest and adjustable headrest offer customized comfortable support 90° to 130° reclined backrest satisfies your working， reading， and napping needs

Adjustable seat height (19 in. - 23 in.) and seat depth (17.5 in. - 19 in.) for different needs weight activated lumbar support can bead just automatically according to individual's weight

Ergonomic backrest with independent height adjustment to free you from back pain mesh seat and backrest for better breathability

360° smooth rolling mute casters for flexible and quiet mobility premium class-4 gas rod ensures higher using safety

Heavy duty aluminum alloy base makes it strong enough to hold up to 330lbs

Material: PP， nylon， metal， mesh

Overall dimension: 28 in. L x 28 in. W x 46 in. - 50 in. H adjustable seat height: 19 in. - 23 in. seat depth: 17.5 in. - 19 in. armrest height (from ground to armrest): 29.5 in. - 32.5 in.

Net weight: 53 lbs. weight capacity: 330 lbs.

Package includes: 1-mesh office chair 1-user guide