Space Invaders Portable Mini Game Keychain HIRO Simple operation confirmed. *Button batteries used for operation check are not included. *Please note that returns are not accepted even if malfunctions occur. *Please understand that this item is considered junk due to age-related deterioration of the electrodes, etc. Everything is shown in the images, and there are age-related scratches, deterioration, and dirt as it was when acquired. It will be delivered as is.