Etymotic HD5 Safety Headset and Earphones - Industrial Hearing Protection, Safe Listening Earphones, Yellow Designed for safe sound output in high-noise environments Provides protection from up to 108dB; Meets OSHA permissible exposure limits for 10.5 hours per day Reinforced 4 foot cable for durability; 3.5mm stereo phone plug compatible with most devices Includes an assortment of eartips for a comfortable fit and carrying pouch