Audeze iSine 20 Open-Back Audiophile Planar Magnetic In-Ear Headphones w/ Accessories. Accessories include bluetooth connectors, a massive selection of ear tips and ear hooks and various OEM cables. Main cable is a lightning cable with a built-in amp/DAC to connect to your iPhone. Earphones have very small, hardly noticeable scuffs on the outside. Asking $429 OBO.