<br><b>✌Have a comfortable and relaxing working day with our Adjustable Ergonomic Office Chair!</b><br><br>✅<b>Performance:</b><br>★ Ergonomic backrest: Curved contours backrest can help keep your back supported, your spine remain lifted, and your body properly aligned, which provides optimal support for your back when sitting for prolonged periods of time.<br>★ For different height needs: To raise the seat, remove your weight from the chair, then pull up on the control handle. To lower the seat, stay seated and pull up on the handle until you’re at the preferred height. <br>★ Rocking Function: 120° rocking style is available. To let your chair rocking, pull out the control handle. To stop it from rocking, pull in the control handle. <br>★ A tilt-tension knob underneath the seat makes it easier or harder to recline back in your chair, depending on which way you turn the knob. <br>★ Flip-up Armrests: The armrests can be flipped up, so that you can have better rest and is space saving.<br>★Built-in headrest: Breathable mesh covered padded headrest can make you comfortable and keep cool for long time sitting, have better rest.<br><br>✅<b>Specifications:</b><br>Seat Height: 17.7"-21.7" (from seat to floor)<br>Seat Width & Depth:(W)19.7" * (D)20.9"<br>Backrest Height: 28"<br><br><b>✅Package Contents:</b><br>Mesh Chair*1 (installation required)<br>Manual Instructions*1<br><br>⚡<b>Note:</b><br> WHEN YOU RECEIVED THE PACKAGE, PLEASE CONFIRM THAT ALL THE PARTS ARE CONTAINED AND IN WELL CONDITION<br><br>✌<b>Warranty:</b><br>If there were any quality problem with this office chair, we provide 1 year free replacement parts or refund warranty.