Campfire Audio Andromeda In-Ear Headphones 5 Balanced Armature Drivers, Driver configuration: 5 drivers (Low  2, Mid  1, High  2) Hiring technology: Tuned Acoustic Expansion Chamber Frequency response: 10 Hz - 28 kHz /  Sensitivity: 115 dB (at 1 V, 1 KHz) /  Impedance: 12.8  (at 1 kHz) Beryllium Copper processed MMCX cable with a 3.5mm termination approx 120cm in length Accessories Include: ALO audio made Litz Wire Earphone Cable, carrying case, Ear tip (silicon, foam, SpinFit), Cleaning tool