TunePhonik iFX5 in-Ear Headphones Stereo with Microphone Headset Premium Ceramic Durable ceramic in-ear headphone housing with inert acoustic properties for superior sound quality on low, mid and high frequencies Switchable in-line microphone remote can play/stop music or answer/hang up phone calls Flat, tangle-free cable made of sturdy but flexible thermoplastic elastomers Highly conductive gold-plated 3.5mm audio jack resists corrosion Soft and flexible ear gels fit comfortably in the ear canal and help isolate ambient noise