・This is for the main unit only. No software or batteries are included. (Used for taking pictures to confirm functionality) The following functionality has been confirmed before listing: ・Power on/off: OK ・Software operation: OK ・All buttons: OK (Checked with a dedicated test cartridge) ・Screen contrast adjustment: OK ・Speaker output: OK ・Volume adjustment: OK ・Headphone jack operation: OK ・Power adapter jack operation: OK ・Communication cable jack: Operation not confirmed The above functionality has been confirmed, but it is an old item, so there is no guarantee of future operation. Please purchase with the understanding of this. GAMEBOY Nintendo Nintendo Gunpei Yokoi Retro game