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 in 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 with the understanding that it is a used product. Main Unit: Works well All buttons and sound output have been tested and confirmed. There is no liquid crystal leakage or bleeding on the LCD screen. Data: Initialized The unit has been factory reset 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 we have confirmed its operation, this is a vintage device that has been released many years ago. We do not guarantee future operation. Please prepare your own batteries and AC adapter. If you're looking for a retro QY sound source, or if you want to enjoy music production easily while traveling or on the go, please consider this!