Calming vibration if kids are crying or anxious. Strong Steel Alloy Frame, Long Lasting, Safe. Machine washable pad. Easily converts to a toddler rocker. Better for baby. Encourages Developing Motor Skills. Reposition seat closer to toy bar for interactive play. Birdie plug-in toy sits within reach of baby detaches for take-along play . Fold out kickstand for feeding or napping. Baby bats at hanging toy to activate fun music. Toy bar swings away for naptime. Removable toy bar. Frame extends to higher position for toddler rocker or stationery seat. Specification : Maximum weight of child for rocker 18kg Require 1.5V Alkaline Battery (Not Inlcuded) Net weight: 2.99kg Product Dimension : 8.6X39X53.5cm