iPhone 白噪音软件永久版限时免费

https://apps.apple.com/us/app/%E8%8A%B1%E7%99%BDfm-%E7%99%BD%E5%99%AA%E9%9F%B3-%E7%9D%A1%E7%9C%A0-%E6%A1%8C%E9%9D%A2%E6%97%B6%E9%92%9F-%E5%86%A5%E6%83%B3-%E4%B8%93%E6%B3%A8-%E8%87%AA%E4%B9%A0-%E6%94%BE%E6%9D%BE/id6445888434?l=zh-Hans-CN