The MamaRoo by 4moms bounces up and down and sways from side to side, just like parents do when they want to comfort their little one. The MamaRoo can make five unique motions: Car Ride, Kangaroo, Tree Swing, Rock-A-Bye and Ocean. The bouncer can be controlled with a smartphone or tablet via the 4moms app, so you can easily adjust the motions and sounds remotely. The bouncer features 4 sounds from nature, but it is also possible to play your own music with the bouncer. The seat of the bouncer effortlessly tilts into any position, for optimal comfort for your little one. It is also possible to adjust the bouncer to a full reclining position. mamaRoo 4 has interactive toy balls that stimulate the senses (rattle, crinkle, & mirror).