In Ear Earphones Speaker Dimension:10mm lmpedance:32Ohm Rated power:15mW Sensitiviy :105dB S.P.L at 1KHz In Ear Earphones,ear buds,mp3 earphone,mp4 earphones, in-ear headphones,ear buds,in-ear headphones.Speaker Dimension:Ø10mmlmpedance:32OhmSensitiviy :105dB S.P.L at 1KHzFrequency Response:20Hz~20,000Hz.Rated power:15mW. Power capability:150mWCable Length:1.2MPlug Type: Ø 3.5mm stereocolor:red, ...