Blurock Beer Cola Soda Helmet Hard Hat Can Holder Drink Night Party Game w/ Siren 7 Different Sounds Drink hands free and in style. The two cans are connected, both being drawn at the same time, so you can even mix your drinks 7 Different Sounds : Phone ring, static sound, Police siren, barking dog, door bell & car crash Can also be used as a microphone;requires 1 X 9V batteries included