Used for about 4 months - 5 unique motions (car ride, kangaroo, tree swing, rock a bye, and wave) - 5 speeds - 4 built-in sounds - MP3 compatible - Bluetooth enabled -- control motion and sound from your compatible smart device (See supported devices) - Adjustable seat recline - Toy mobile with interactive, reversible toy balls that include a rattle, mirror and crinkle ball. 25.5"L x 19.5"W x 33"H 19 lbs The MamaRoo® Multi-Motion Baby Swing™ is intended for use from birth until your little one is 6 months old, or reaches the maximum weight limit of 25 pounds, or can sit up unassisted, or attempts to climb out, whichever comes first.