Introducing the Bluetooth Keychain for amiibolink - your ultimate solution for unlimited swipes without limits. With this device, you can swipe repeatedly without changing the time and simulate an unlimited number of amiibo cards. It includes all the amiibo cards on the market and is updated to the latest amiibo as soon as possible. The smart sensing technology is both sensitive and fast._x000D_Advantages:_x000D_The one-touch switching option makes it very simple to use this device. The smart sensing technology, coupled with unlimited swipes and Bluetooth connectivity, ensures high durability. Therefore, this device is small and light, making it a perfect choice for everyone._x000D_Disadvantages of traditional cards:_x000D_Regular cards may be difficult to carry around, a full set is expensive, storage capacity is limited, and only one data is allowed per card. In addition, disposable cards limit their swipe times. These issues are not related to amiiboLink._x000D_Mode settings:_x000D_To set the mode, open the app and click Profile -> Settings -> Mode settings._x000D_Random mode: In this mode, pressing the button will generate new amiibo data based on the current bin file, essentially creating a copy of a new card._x000D_Sequential mode (file switching mode): In this mode, pressing the button will automatically switch to a new bin file, and you can store up to four bin files offline._x000D_Firmware upgrade mode: Long press the button to light up a solid green light and enter the firmware upgrade flashing mode. Download the firmware upgrade package and use the application to upgrade.