Kneading Massage Office Chair with Adjustable Headrest-BlackKneading massage with selective direction and timing for different needs Convenient remote control and storage pocket for great convenience Padded headrest with adjustable height and angle for various requirements Curved backrest with removable lumbar cushion for better spine protection 15 rocking function and 360 rotating design for varying experiences Thick waterfall seat with double cushions and resilient sponge for comfort Smooth and waterproof