Aleratec TunePhonik iXR5 Universal 3.5mm Wired In-Ear Earbud Headphones w/Mic BUILT IN NOISE ISOLATION: Optimized passive noise isolation dramatically reduces ambient sound INCLUDED MICROPHONE: In-line microphone control allows users to switch between calls and music REMOVABLE EAR GELS: Includes small, medium and large ear gels for a comfortable fit WORKS WITH ALL DEVICES: Use with iPhones, MP3 players, tablets, portable DVD players and laptops HIGH QUALITY CABLE: Flexible, tangle-free cord