*computer earphone,Laptop earphone *in-ear style,flexible fit *9 colors,metallic *bass-driven sound *CE,FCC,RoHS Computer earphones in-ear earphones PC ... :1mW4)Max input power:6mW5)Sensitivity:100dB *Description:Fashion:Fashion in-ear earphones, have 5 choice of black, red, white, ... is natural, clear; you can enjoy the original music, or all kinds of music. humanization there is a slider can adjust ...