Crowd noise app comes with all the crowd noise sounds you need and its Bluetooth compatible! You get cheering, clapping, booing, air horn, D-Fense, vuvuzela and even a soccer crowd included. The crowd noise sounds are clear & crisp. 7 unique crowd noise and boos sounds included. Connect the app to your speaker and amplifier system to make the sounds play extremely loud. FEATURES: - 7 crowd noise soundtracks - Bluetooth compatible to sync to a Bluetooth speaker to play the sounds louder - Effective, realistic and clear audio to replicate crowd noises - Sounds can play in the background of your phone allowing you to text, take pictures and surf the internet without disrupting the crowd noises - The soundtracks allow you to set the sounds and focus on cheering for your favorite activity - Connect to your speaker system with audio cables or Bluetooth (cables not included) - Crowd noise audio at a fraction of the cost of purchasing multiple soundtracks and memory cards separately Soundtracks included in the Crowd Noise App - Crowd Cheering Sound - Crowd Clapping Sound - Crowd Booing Sound - D-Fense - Air Horn Loud - Vuvuzela Sound - Soccer Crowd Download the Crowd Noise App and play the crowd noise sounds today!