The Goby Labs Microphone Sanitizer is a spray that's designed to clean and disinfect microphones. It states to kill 99.9% of germs, and you simply spray it on the microphone. The spray is ideal for live-sound and karaoke scenarios, and is safe for your skin, your hands, and your gear. This spray is also good for eliminating odor on microphones. The bottle provides 4 fl oz of spray.