Bodispa Traveler with Speaker Gray super soft and stretchy fabric for maximum comfort. Incredible comfort and support. Double Speaker for connection with mp3, iPod, iPhone, smart phone or any other music devices. Ergonomic U shape design. Pillow filled with medical grade sterile polystyrene beads. Snap lock tabs to lock the cushion in position. Battery operated. Takes 2 AA batteries, not included. Speakers for music device hidden connector included. 3 vibrations modes buttons. Materials: Fleece, Phthalate Free. Neutral Scent. Non Toxic. Polystyrene non-toxic beads.