While the back of the person rises and decreases, the position of the person on the cushion will also change. For example, when the back drops, people will move their hips backwards and move forward. The back of the sofa can be controlled by rising and down buttons on the button. Electric top waist device sofa: cushion can then move the electric sofa that moves at the same time. When people are sitting, the back of the sofa is not only rising, but the waist and head can get up with two pillows, which can get the human head and waist, which will be much more comfortable; when the back falls to flat to flat When people can lie down, the back is flat, only a pillow on the head.

The higher -end ones are double electric sofas and three electric sofas. When sitting, the back is up, but the foot stool is not needed in front. And when you need a foot stool, you can rise naturally. (That is, the foot stool is controlled independently through another set of buttons.) But because it is made of oblique top, it has a slightly lower strength. (That is, a foot stool is raised under the cushion and then improved independently.) It is structured but complicated, but the performance is more reliable and the grade is higher.

Four electric and five electrics are the basis of the back of the back and lifting device on the basis of the three electric. The electric massage system is a massage device on the sofa corresponding to the human neck, back, waist, hip, and other parts. The massage device has a vibration massage, rolling massage, airbag -type massage, and robotic massage. Electric heating and cooling refrigeration are added to the original and the original and refrigerated original in the cushion and back, making people more comfortable.