This earphone is the classic new Oblique Ear model combining ease and Comfort of wearing.For the Stereo Earphone with soft silicone, signal transmission is more stable due to Copper oxide wire, Gold plating of the wires and High grade craft in assembly. These earphones feature a 3.5 mm universal Jack pin perfect for all kinds of digital devices i.e Phones, tablets, PCs, Game pads, Ipods etc.As stated, they are Bass enhanced, have peak diaphragm and an anti-winding wire.The call button supports answering and rejecting calls.ParametersDriver unit is Ø 10mmImpedance/ Resistance is 16 Ohms + or - 15%High sensitivity Frequency response of 20Hz to 20 KHzDistortion factor of less than or equal to 3%3mm Connector Please note to Adjust earphones sound to the proper volume. Loud sound may damage your ears. For traffic safety, avoid use when riding a motor cycle, a bicycle or when driving. Loud volume blocks out the external sounds around you.