2. Five speed,3 timer
3. Backrest 3-position adjust
4.16 melodies+5 natural songs
5. AC/DC function, with adapter ,AC100-220V,50/60Hz
6.with electric toy bar and 3 toys
7. with front tray
8.with head support
9 Toy bay need to use batteries (2*size AAA, not included in the products)
10. the swing can use battery for electricity also,(4*size C,not included in the products)