The proven Nocs NS400 that will blow your mind is now even better, with a tangle free flat cable. It is proven to be one of the best in ear headphones out there. Powerful yet balanced, accurate sound with incredible revealing details and deep bass response. Durable machined aluminum housings and Kevlar reinforced cables. Noise-Isolating Headset with 3-Button iPod, iPhone and iPad Control. MEMS silicon microphone removing GSM/TDMA burst noise. Picks up your speech 360 degrees. Three different-sized ear tips, two sets each to provide an excellent fit.