Lightweight and compact, this plush pillow allows you to be comfortable no matter where you are. Powered by 2 AA batteries ( not included), It produces gentle vibrations at the touch of a button. Designed with hypoallergenic polyester plush, the one-of-a-kind pillow contours to the shape of your body while dissipating excess heat. The result is, one of the most comfortable and versatile pillows available. Perfect for couches, car traveling, planes and more.