Connecting the power cable directly to the main unit causes unstable power. Power supply is stable when connected via the charging stand. Based on this, it is likely that there is a contact failure in the connector on the power cable side. Included items: Main unit, charging stand, power cable, 9 software titles All included items are shown in the photos. I have carefully checked the items. - Appearance: There are some scratches. (Please refer to the photos) • Please refrain from purchasing if you are overly concerned about details. Please check the details of the product in the photos. Thank you. Best regards.