The "Stinger" is a single cup headphone designed for anyone needing to hear what’s going on around you. It offers a snug fit but comfortable feel, the speaker element still pack a punch with a full 150 ohms impedance. It comes packed with all the standard “B” features such as 41 position detent volume control, mode switch and ¼” plug on a high quality nine foot long coiled cord. The "Stinger" by Killer B’s come in Green and they pack a limited lifetime warranty it also come with a satisfaction money back guarantee. Yes that’s correct, if you don’t like them, pack them back up and ship them back, we will gladly refund your money.