led earphone 1.several colors 2.rated power:15mW 3.plug type:3.5mm 4.fast delivery 2011 new Ear-Hook Stereo Headphones Flash earphone Hi-Fi LED: Description: Drive unit:10mm Mylar speakerFrequency response:20Hz-20,000HzImpedance:10%Sensitivity:105dB S.P.L at1HKZrated power:15mWcable length:1.2MPlug type:3.5mm stereoCompatile for MP3/MP4,mobile phoneSeveral colors2 button cell batteries(L754/1.5v) ...