sell ear hook earphone

EAR-HOOKPHONE SECTION :
Speaker : 40mm
Sensitivity : 103dB S.P.L at 1KHz
Impedance : 32ohm
Frequency Response : 20Hz-20,000Hz
Rated Power : 15mW
Power Capability : 150mW
Cable Lengty : Approx.2.5m?.3m
Plug Type : 3.5mm Stereo
MICROPHONE SECTION
Microphone Unit : 6X5mm Dia.Electret condenser
Microphone Directivity : Omni Direction
Sensitivity : -58dB?dB
Impedance : Low
Frequency Response : 30Hz to 16,000Hz
Standard Operating Voltage : 3V
packing list :
DESCRIPTION :
Stereo Ear-hook
UNIT PACKAGE :  blister card
PCS /CTN   :  120
CTN SIZE(CM) :  50.5*43*41
G.W.(KGS)   :  15