Introducing the amiibolink Bluetooth keychain – a compact and convenient accessory designed for seamless connectivity. This lightweight device features one-button operation and smart sensing technology for fast and responsive performance. It supports Bluetooth connectivity and is built for durability and ease of use. The device allows users to switch between stored data files with ease. Mode settings can be configured through the app under profile > settings > mode settings. - Random mode: Pressing the button generates new data based on the current bin file. - Sequential mode (file switching mode): Pressing the button cycles through up to four offline bin files. - Firmware upgrade mode: Press and hold the button until the green light stays solid to enter firmware upgrade mode. Download the update package and use the app to complete the upgrade. Designed for portability and efficiency, this device offers a practical alternative to traditional cards, which may be less durable and limited in data storage. With its small size and reliable performance, the amiibolink keychain is an easy-to-use option for everyday use.