Hörluchs EasyUp, Universal 1-Way In-Ear Headphones, Dynamic 8 mm driver with bass boost, Ergonomically shaped housing, Sensitivity at 1mW: 119 dB SPL, Impedance (at 1 KHz): 16 Ohm, Frequency range: 20 - 25,000 Hz, Detachable cable with length of 1.2 metre, Colour: Black, Silicone earpads in 3 sizes and bag included