A keyboard that can play Hatsune Miku's singing voice. This listing includes the main unit, original box, replacement stickers (you can change the stickers on the top of the unit to Hatsune Miku), a USB cable, and the flyers that came with the original box. There are no noticeable scratches on the main unit. While there is some wear and tear, the unit is generally in good condition. It works with both USB power and AAA batteries. Sound output was confirmed from the LINE output and the built-in speaker. Operation has been confirmed. You can also make it sing your own lyrics entered in the app, and you can add vibrato. #HatsuneMiku #Vocaloid #VOCALOID #OtonanoKagaku #DTM