Plush mattress made with premium materials for a soft and cozy sleeping surface & Effortless transportation from room to room, making it simple to keep your baby close by wherever you go. Provides stability and safety with lockable wheels for easy, secure maneuvering.Comes with 10 inbuilt soothing melodies controlled by a volume adjuster, Bluetooth connectivity allows parents to play custom tunes for their baby. Swing operation can be scheduled for 15, 30, or 60 minutes with Smart On/Off technology, Powered by a direct plugin adapter or batteries for flexibility.