APKPure Appを使用する
Service Bellの旧いバージョンをダウンロードすることが可能
4つの異なるベルが付いたサービスベルを選択すると鳴ります！
This app "Service Bell" is very useful for hotel, restaurant, reception etc.,
Why strain your voice with yelling or nagging when you can ring the bell as a signal to bring food or as a reminder that work needs to be done.
App has 4 different sounds with 3 modes such as normal, loud & louder.