【Free Adjusting Headrest】Want to sit for all day without any discomfort on shoulder and neck? This high back mesh chair is able to substantially reduce the daily pain on neck and shoulder since it comes with adjustable headrest that allows to rotate to a specific angle and go up/down to a suitable height. And headrest can also be removed anytime you don't need it.【Adjustable 3D Armrests】This contemporary office chair from Rimiking features 3D adjustable armrests - go forwards and back, up and down, and rotate 20° for the best fit to your favorite position. No matter in appearance or the function, it makes perfect sense of technology and future. It is the small design detail that always bring some fun and satisfaction to your office life.