The 4moms® mamaRoo®4 infant seat bounces up and down and sways from side to side, just like parents do when comforting their babies. It features five unique motions and five speed options for a total of 25 different combinations. Soothe your baby with one of the four built-in sounds; connect any MP3 device or simply pair with your smartphone. The mamaRoo4 seat offers full recline to allow baby to lie back and relax or sit up and play. The mamaRoo4 has plush seat fabrics with a soft, velvety surface; All seat fabrics are easily removed and machine washable.