These Shure SE846G2JD Quad-Driver GEN 2 Jade Sound Isolating Earphones are perfect for audiophiles and musicians. Whether you're working out, traveling, or just relaxing at home, these earphones will provide an immersive audio experience. The earphones are in-ear, closed-back, and wired, with a 9 Ohm impedance. They have a frequency response of 15 Hz to 20 kHz and a sensitivity of 114 dB SPL at 1 kHz. The noise attenuation is up to 37 dB. The detachable 3.5 mm cable is 162.6 cm long and black in color. The earphones come with a 3.5 mm straight cable, a fit kit with various sleeves, a 1/4” adapter, and a hard carrying case. They also include a set of Comply foam sleeves in different sizes.