Mini 3.5mm Jack Music Headset for MP3 MP4 Mobilephone

Speaker driver units: 40mm diameter dome
Speaker frequency response range: 20Hz to 20KHz
Impedance: 32 Ohm± 15%
Sensitivity: 115dB± 3dB/mW (S. P. L at 1khz)
Rated power: 50mW
Max input power: 100mW
Mic driver units: 6 x 5mm diameter dome
Sensitivity: -38± 3dB (0dB=1V/Pa at 1khz)
Directivity: Noise canceling
Mic frequency response range: 20Hz to 16KHz
Current consumption: Max. 0.5mA
S/N ratio: More than 60dB
Cord length: 2, 100mm
Headset with Microphone on the cable, adjustable volume
Plug: 3.5mm stereo
Quantity: 40pieces/carton
Carton size: 740 x 400 x 416mm
GW/NW: 14KG/12KG