The Adjustable Hearing Screener and Fit Check allows you to quickly test whether your hearing protection ear plugs are properly inserted and providing the best amount of noise blocking possible. This screening device also allows for quick hearing acuity tests in a variety of environments and settings. This Adjustable Hearing Screener and Fit Check device quickly tests if your ear plugs are inserted correctly for optimal noise blocking. It's portable and affordable, taking only 5-7 minutes to complete, suitable for both work and home use. With 4 pulse tone frequencies (500 Hz, 1000 Hz, 2000 Hz, 4000 Hz) and 5 intensity levels (40 dB, 50 dB, 60 dB, 70 dB, 80 dB), it ensures thorough testing of hearing protection across different volumes and frequencies, vital for OSHA compliance and effectiveness in noisy environments.