i don't even know how it works really, most of the instructions that came with it are in japanese. i just pressed buttons and squeezed the mouth and it made a sound. maybe it's pre-programmed. maybe i'm just a musical genius. of course it's preprogrammed with tunes. but really, some enterprising young hongkongers saw a prime shop location and decided to rent it for a couple of weeks to sell something done cheaply at a premium price. in any case it's a waste of money - therefore, fun. otamatone. revival.
anyhoo. i bought one in blue because the pink one is just too obscene.