This item will be given to 50 lucky winners that spend at least ¥70,000 on their Hatsune Miku VISA Card between the 9th September and the 31st December 2016.
Please see this page for more details: (Japanese Only)
https://www.smbc-card.com/mem/company/news/news0001195.jsp
*The product specifications and included parts are identical to those included with the standard Nendoroid Jumbo Hatsune Miku