【Massage & Heat Function】--Choose freely among 5 vibration massage modes and turn on the heating function so that you can work in this ergonomic chair comfortably even in winter. 【Flexible Reclining Angles】--Backrest of this desk chair adjustment angle in 90° to 135°, you can lock the backrest in the favorite position as needed 【Adjustable Seat Height】--The seat height of this home desk chair can be flexibly adjusted between 20 inches and 24 inches to suit the needs of different heights. 【Thicker Scalloped Padded Sponge and Footrest Design】--The Thick scalloped upholstered and premium material, keeping you sit much longer without feeling tired. 【Easy to Move & Sincere Service】--360° rotatable seat with 360° turning wheels of this computer chair to help you move around easily.