12月9日的Whistle S.O.S应用程序分析

Our phones have become indispensable tools in our daily lives. However, we may not always have our traditional whistle with us for emergencies like earthquakes. With this app, when trapped under debris, you can easily broadcast your voice to alert your surroundings and get help promptly with just a button. Not just for earthquakes, but a reliable tool for any emergency you may encounter at any time!