Bigfun 61 Keys Big Fun Musical Electronic Keyboard Piano Organ With Microphone61 Keys, 16 Tones, 10 Rhythms, 6 Demos, 8 Percussions. It Is An Ideal Gifting Option For Your Little One. Other Functions: Song Record and Play Function, Single Finger Chord and Fingered Chord. Microphone Included. USB Cable & Microphone Included. So you dont need to put the batteries every time in Keyboard. It can be used with 4 x AA Batteries. [Batteries are not included] Direct DC power mode option: Connect you mobile charger to play on dc power.