Sennheiser Mx400 ii Black In-ear Headphone Dynamic Sound<br /><br />Product Description<br /><br />Speaker unit unit: * Type: open Cable: * Length: 1.2 m * Shape: asymmetrical (y-type) Plug: * Shape: Straight * Diameter: 3.5 mm Standard: * Sensitivity: 120 dB / mW * Resistance: 32 �� * Frequency range: 55 ~ 15/000 Hz<br /><br /><br />&nbsp;Product Information<br />Product Dimensions &nbsp;6 x 1.9 x 1 inches<br />Item Weight &nbsp;1.4 ounces<br />Shipping Weight &nbsp;1.4 ounces<br />Manufacturer &nbsp;SENNHEISER<br />ASIN &nbsp;B00MP1MGV8 <br />