價格：免費
檔案大小：6.9 MB
版本需求：系統需求：iOS 10.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
Throwback to the early days of BT21 when they were just adorable babies!They're smaller and cuter than ever before. Let the pint-sized BT21 cast bring some excitement to your chats!
支援平台：iPhone, iPad