This item came from my parents' house. I have only confirmed that the hb-75 main unit powers on. Everything else has not been checked. I am unable to answer technical questions, so thank you for your understanding. I can add more photos if you'd like, so please comment. No claims and no returns. SONY HIT BIT MSX home computer, with controller and game cartridges. - Brand: SONY - Model: HIT BIT - Accessories: Controller, AC adapter, game cartridges (multiple) - Type: Home computer - Interface: MSX - Condition: No noticeable scratches on the exterior Thank you for looking. #MSX #HITBIT #Sony