The Metal Stereo Earphones from Impecca provide quality acoustic sound. The metal housing of the earphone reduces vibration for a more enjoyable listening experience. The high definition 10mm Neodymium Drivers provide a frequency range of 20 to 20-thousand Hz for accurate reproduction (sensitivity: 95 dB; impedance: 32 Ohm) Three sizes of ear buds ensure comfortable in-ear fit for maximum comfort. Maximum power input is 60mh. The cable is made from braided tangle-free fabric, and 1:2m in length. The gold-plated 3.5mm stereo mini plug provides compatibility with a wide variety of media devices.