Convenient volume control. Ear cups manufactured from high impact ABS plastic for tensile strength, chemical and heat resistance. Easy to clean. Both ear domes swivel and rotate to provide a perfect custom fit. Adjustable over-the-head Velcro® strap provides height adjustment and headset support Band behind the head provides a secure and comfortable fit. 1-year factory warranty. Certified NRR 24 dB. Water resistant switches. Variety of colors available.