Usually 3-5 Days. The "AUDIX" F50S Fusion Vocal Microphone Exhibits Many Of The Characteristics That Have Made AUDIX The Number One Choice Of Recording and Performing Artists The World Over. A Frequency Response Of 50Hz-16kHz Along With A Cardioid Element Make This A Perfect Lead & Backround Vocal Mic For A Wide Variety Of Applications At A Great Price. The F50S Features An On-Off Switch.