Microbead fill custom contours to your anatomy, re-adjusting with your every move to cradle your head and neck in constant comfort. And the vibrating massage unit—right inside the fill—melts away stress and tension. Features conveniently located control panel with ‘On/Off’ button and six-setting massage mode selector. Durable Poly/Spandex cover. Great for home or travel. 2 ‘AA’ batteries (not incl.)