This is the legendary YAMAHA QY8 pocket sequencer, affectionately known as the "Finger Studio," a compact music production tool. Compose Anytime, Anywhere: The size of a VHS video, it runs on batteries (6 AA batteries, sold separately) and is portable. Easy Input, Like a Game: Operable with just your thumbs, it allows even those who aren't keyboard players to create authentic backing patterns (300 patterns total). The QY8 is unique in the QY series for allowing input while viewing sheet music. Also Works as a Retro Sound Module: Equipped with MIDI terminals, it's very popular as a retro sound module in current DTM environments. Accessories and Condition Please consider this item as used. Main Unit: Works well All buttons and sound output have been confirmed. There is no liquid crystal leakage or bleeding on the LCD screen. Data: Initialized A factory reset has been performed before listing. Instruction Manual: Included (with folds) Shows signs of use, with folds and wrinkles. Outer Box: Included (with tears) Has tears and damage. Will be used as packing material. Bonus Almost new MIDI cable (1m) - Ready to connect to external devices (PC or synth)! Power Supply: AC adapter not included Requires 4 AA batteries for operation. For safety, the batteries will be removed from the unit before shipping. Purchased used, no warranty Regarding Your Purchase Although operation has been confirmed, this is a vintage device that has been around for many years. Future operation is not guaranteed. Please prepare your own batteries and AC adapter. If you're looking for a retro QY sound source, or if you want to easily enjoy music production while traveling or on the go, please consider this!