Many Kinds of Functional Sound Effects are Available Features :- 37 Keys, 8 Sound, 8 Rhythms, 4 Drum, 4 Animal Sound, Microphone, Audio Input, Rec-Programming-Replay, 10 Songs, Volume Control And Auto Sleep Dual Power-Supply Mode :: 1. Power Supplied By Adapter, 2. Power Supplied By Battery Package Includes : 1 x Electronic Keyboard, 1 X Stool, 1 X Adapter, 1 X Bookshelf and 1 X Microphone Dimension (LXBXH) Electronic Keyboard with stand :: 48cmX24cmX53cm, Stool :: 27cmX27cmX16.5cm, Box :: 58cmX9cmX40.5cm