400 Bandstand 54 Keys Piano For Kids,54 Key Bandstand Piano with LED Display, Microphone, and Recording, Adapter Included The Keyboard has 16 tones,6 demo songs,10 Rhythms, 2 Learning modes, 8 percussion's, with 54 keys Also Includes 16 Volume Control Modes,, 32 Tempo Control, Eco/Vibration Mix. One the best piano for kids to learn music. It includes many other functions which you do not find in beginner level keyboards. Recording/Playback ,Digital Display ,Double Stereo Speakers Can be played directly through electricity via adapter or 6 AA 1.5 V batteries ( Not Included). Adapter is already provided with the product.