The new Effects Earbuds from ArgomTech bring you the greatest Sound audio experience with astonishing precision. Effects delivers deep bass, natural vocals and accurate highs, which also include three sizes of silicone ear gels for a secure, comfortable fit. It comes with microphone and in-call button.SpecificationsPlug Type: 4-pole gold plated plug 3.5mm.Microphone with in-call button.Cable Length: 1.2m (4 feet).Membrane: 10mm Diameter.Impedance: 16Ohm ± 15%.Frequency Response: 20Hz- 20KHz.Sensitivity: 105dB ± 3dB.Includes 3 sizes of silicone ear gels.