Black metal base that allows for a smooth and gentle 360 degree swivel, and the function of rocking can also make you feel more comfortable and relaxed. Just pull the side button to control the recline of the recliner chair, which means you can get any position you want, it's reclining 155 degrees maximum. Feature with 8 vibrating nodes (back, lumbar, thighs, legs) and 3 massage modes for selection, each massage point can be operated individually. And you can set massage time of 15/30/61 minutes. The lumbar heat point could promote blood circulation throughout your body, providing a full body relaxation!