Polk Audio UltraFit 3000 Headphones - Black (ULTRAFIT 3000BLK) Ultra-High Performance Digital Sound - Stunning detail, full fidelity and deep bass to maximize performance 3 Button Remote Control & Microphone - Use your iPhone and iPod on the fly with in-line controls SecureFit Support - Exercise or play knowing your headphones will stay comfortably in place Ultra Flexible Tangled-Free Planar Audio Cables - Avoid cable tangle and unwanted microphonics with oxygen-free cables in two custom lengths StrainGuard - Kevlar core and computer designed transitional connections eliminate cable failure