Key Features Baby sways insight while you tackle to-dos. Baby swing converts to the newborn bouncy seat Added storage space at the bottom 5 point harness and nonslip feet for extra security Foldable design for easy storage and transport. Age 0 to 9 months Hybrid-rive technology makes batteries last up to 3x longer Note weak batteries cause erratic product operation, including distorted sound, dimming or failed lights, or slow or nonworking motorized parts. Because each electrical component requires a different operating voltage. Replace batteries when any function fails to operate 5 swing speeds plus soothing vibrations