This is a Sony MSX2 HitBit HB-F1Ⅱ. Please also check the photos for the operational status. [Operational Status] ・Games and Basic start up. ・There is flickering on the screen (please check the photos). ・It seems that there is no sound. ・The keyboard works (please check the photos). ※I purchased this used, so I don't know the details, and I may not be able to answer questions other than the above. Thank you for your understanding. [Items for Sale] Only the main unit and adapter are included. [Regarding Purchase] Since this is a junk item, returns are not accepted after purchase. Please understand this before considering a purchase.