airline earphone 1.Plugs include 3.5mm single pin 2.Many colors can be optional 3.Competitive price with good quality. 1.MaterialABS2.Speaker15MM3.Sensitivity103+/-3dB at 1000Hz4.Impedence32 ohm / 300 ohm5.Frequency Range20--20,000Hz6.ColorOptional7.Rated Power60mW8.Maximum Power120mW9.Cable LengthApprx.120CM10.Cable Diameter2.65mm11.WeightApprx.15gPlug3.5mm stereo pin(single,double,folding pin ...