专为配备SD卡的手机而开发，并针对各种尺寸进行了优化。
#1 Selling Military Bugle Ringtone App.
The U.S. Military uses a series of bugle calls to alert troops of actions to be taken. This app allows you to listen, play and/or set these calls as you ringtone. Simply select the call you like and then select the action.
Also try U.S. Army Wallpapers for more enjoyment.