MEElectronics Sport Fi S6 In-Ear Sport Headphone System with Armband, Carry Case for iPhones/iPods/MP3 Players and Smartphones - Red/Black (Discontinued by Manufacturer) Memory wire that conforms to the ear for a locked-in fit A modular cable system for ease of use Enhanced sweat resistance for added workout durability Tangle resistant, color matched, noise-free cable Superior enhanced bass that is tight and powerful