AGPtEK W1 Pro in-Ear Monitors Earphones with Remote Control Button&Detachable Cables, Solid Bass for Jogging (Black) Stay in the ears: personalized fit for all ears with its over-the-ear memory wire and 3ear tips (different size), securely kept the ear bud in place when jogging or working out even during extreme movements Remote with a built-in microphone to response to a phone call conveniently and great operation for music enjoyment (note: can't be used to control your mp3 player) Audio Precision: in-ear design and its special dynamic micro drives delivers very prominent base (but not overpowered). The midrange is slightly forward and very clear, treble is present and crisp without being too harsh Detachable with user-replaceable cables and sweat resistance. With these, when/if the cord fails, no problem: buy another cord and keep on rocking Best for gym, stage, and street, and it's darn near perfect tuning for musicians for a stage monitor