This is a Sonic SHADOW iPASS card. Taiwan Transportation IC Card [iPass Card] (Sonic Special Edition) This product is a limited edition with a small production run. This is a Taiwan transportation IC card. The iPass card is an essential item for traveling in Taiwan. It can be used for transportation on the subway, train, and bus, as well as for payments at convenience stores, etc. (It's like a Suica or PASMO card in Japan) It's very convenient to have an iPass card because you don't get change with cash. The balance is 0 Taiwan dollars. You can use it immediately after charging it. Thank you for viewing. If you have any questions, please feel free to comment.