Make yourself heard and support your favourite team! Blast out tunes using high, medium and low notes on an air-horn or whistle. Tap tunes out note-by-note in real-time or store and play them back. Adjust speed or switch between air-horn/whistle during playback. "Auto" button to randomly generate a tune from 21 different presets. Shake gesture clears your tune when you are ready to start again. Ideal for soccer, cricket or any team sport.