These canal earphones fit snugly inside your ear canal and help block out ambient noise as you listen. An inline microphone and controls enable you to take calls, play, pause or adjust volume without having to reach for your device. Black in colour and features a 1.2m long cable with 3.5mm 4 pole plug. Features - dynamic driver cable length 1.2m weight 10.0g sensitivity -58.000000db plug or socket type 3.5mm 4 pole device plug dimension details speaker diameter 10.0mm nominal impedance 24.0ohm rms power rating 10.0mw frequency response 20.0hz, 20.0khz sensitivity spl1w, 1m 100.0dbspl