Description: Compatible with Nintendo Switch, Switch Lite, Switch OLED, Wii U and New 3DS systems. This NFC cards tags are super tiny size, which is same as the game cards. It is easy to carry the card, and convenient storage. You can put it in your bag or even your clothes pocket. A large number of space saving. You can get all the cool exclusive costumes and item rewards. Unlimited use on multiple consoles, you can scan all of the cards once per day. Product characteristics have a certain data loss rate (about 0.25%), if any of the cards are invalid, please contact us. Thank you. This is a third party NFC Cards, It's not original cards but works like the original cards. Card Size:2*3cm Usage: 1 . Finish the first Temple challenge 2 . Press "+" bottom in game,choose "system--options" 3 . Set the amibo option in "use amibo" 4 . Put the card on right joystick Package Included: 24 * Mini NFC Game Card for Nintendo Switch /Switch Lite /Switch OLED