Enjoy high-quality sound with the Koss KPH7 Lightweight Portable On Ear Headphones. These headphones are designed with a comfortable headband and ear cups that fit snugly over your ears to provide a noise-isolating experience. The foldable design makes them easy to pack and take with you wherever you go.Listen to your favorite music with ease using the adjustable headband and volume control. The Koss KPH7 headphones also feature volume limitation, ensuring that your hearing is protected. With a frequency range of 80 Hz and impedance of 32 ohms, these headphones deliver crystal clear sound. Get the best of both worlds with the closed-back design that offers both noise isolation and stereo sound.