From the beginning the demand for EarHugger products was overwhelming. EarHugger's remarkable growth has been the result of unique products, superior quality, great service and highly motivated personnel. With this combination the company looks forward to a great 21st century.Noise Cancelling Headphone (EH-1420NC) reduces noise up to 15 dB. Airline adapter and carrying pouch included. Lightweight and comfortable. Foldable design.