Koss KDX100 In-Ear Headphones

The Koss KDX100 In-Ear Headphones feature a noise isolating design with a 10-20,000Hz frequency response. The long 4.0' cord provides enough freedom to move around. Included with the headphones are both silicone cushions, ideal for plugging out ambient sounds, and memory foam cushions, ideal for boosting in-ear sound bass.