Piano with 37 Keys And 8 Tones, 8 Rhythms 4 Percussion, Battery Operated: Yes, Also can Use direct Datacable to play Piaono without the Battery.
Other Functions: Song Record And Play Function, Volume Control, Tempo Control
DIRECT DC POWER MODE OPTION: Connect Your Mobile Charger to Play on DC Power. Power Saving Mode: It Can Be Easily Powered on by connecting Android Mobile Phone
Charger Or By Usb Cable Connected With Any Computer Or Even Power Banks.
One side is speaker, and other side is just for show, comes with one speaker best for kid
