Click the "Start" button in the bottom left corner of your screen.
Select the "Control Panel."
Click "Hardware/Sound."
Click "Sound."
Open the "Recording" tab in the "Sound" menu.
Select the "Snowball" as the "Default Input Device."
Adjust the volume of the microphone within the "Levels" menu.
Click the Apple icon in the top left corner of your screen.
Select "System Preferences."
Double-click the "Sound" category.
Highlight the "Input" tab in the "Sound" menu.
Double click the "Blue USB Ball Mic" beneath the "Choose a device for sound input" heading.
Adjust the "Input Volume" slider to set the volume of the microphone.
Close the "System Preferences" menu.