Ear protectors, noise-canceling headphones, foldable headband-style noise-canceling headphones, noise reduction, adjustable hearing protection, for noisy and stressful environments

【With Audio Input Jack】: Audio input jack for listening to MP3 players or smartphones; built-in volume control button, convenient to use. Adjustable Waterproofing: The adjustable headband ensures a secure fit, and the compact design allows for easy storage. 【30dB Noise Reduction】: The 30dB noise reduction level and sound-activated compression can protect your ears from damage caused by loud bangs and machine noise. 【Audio Assist Technology】: Audio assist technology can help you program multiple AM/FM radio stations and alert you when the battery is low. 【AM/FM Radio Performance】: Excellent AM/FM radio performance and bass enhancement options to improve the listening experience. Specification: Condition: New Item Type: Noise Cancelling Earmuffs Material: ABS Plastic Color: Black+Yellow Battery: 3 AAA batteries (not included) Finishing Treatment: Rubber Oil Spray Noise Reduction Level (NRR): 30dB Use: Passive Protection Average Battery Life: Approx. 350 hours Package List: 1 Electronic Noise Cancelling Headphones 1 Audio Cable 1 Manual