價格：免費
檔案大小：8 MB
版本需求：需要 iOS 6.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：德語, 英語
The B&K Big Red Button is for Brüel & Kjær EMS airport customers. You MUST log in to use this app, so only download this app if you are a Brüel & Kjær EMS customer with a Focus account.
The Big Red Button allows you to quickly apply an exclusion to your WebTrak sites in case of emergency.
支援平台：iPhone, iPad