Sennheiser MM 30i Noise-Isolation In-Ear Stereo Headphones with Mic

The MM 30i Noise-Isolation In-Ear Stereo Headphones with Mic from Sennheiser are designed to put you directly in touch with your music and calls. Each earpiece has an optimized dynamic speaker that provides clear, natural audio with a wide frequency response and excellent bass performance. Multiple sizes of eartips are provided, letting you find the best fit to create a seal in the ear canal that blocks out unwanted ambient noise. This makes the headphones ideal for use in loud environments.