1.noise cancelling, low frequency 2.with microphone,Cable length: 2.2m 3.speaker:50mm 4.plug type:3.5mm 5. OEM is welcome

HOT SALE computer&MP3 headphone
speaker		microphone
diameter	50mm	Function	noise cancellation
cord length	approx. 2.2m	Impedance	<10000ohm
Sensitivity	108dB ± 3db	Sensitivity	-54dB+3dB
Frequency	20-20000Hz	Frequency	30-16KHz