SoundOff! It's Free! Great for stirring up the crowd at the game or at home. Includes 13 Popular Sports Arena Sounds 1) Short Low Air Horn 2) Short High Air Horn 3) Long Low Air Horn 4) Long High Air Horn 5) Train Air Horn 6) Buzzer 7) Down-Up-Down Organ 8) Gooooooal! Voice Shout 9) Hat Dance 1 Organ 10) Hat Dance 2 Organ 11) Hat Dance 3 Organ + Trumpet 12) Cavalry Charge Trumpet 13) Charge Organ For a longer Air Horn or a Longer "Goooal" shout hit the sound button a second time before the first sound completes If you want longer choruses of the organ and fight sounds, time a second hit of the button to bring up a second or third consecutive chorus. Don't forget to make sure your iPhone mute switch is set to allow sound play, i.e NO mute. For louder sounds, cable connect the iPhone audio output jack to a portable boom box or other audio amplifier device. Use at games, at home, at any competition or as a sports background sound while talking on the phone. It's Free!