Earphone specification
Actuation form: Moving coil type
Loudspeaker: φ30mm neodymium iron roof magnetism loudspeaker
Frequency response: 20HZ-20KHZ
Sensitivity 108±3dB (at1KHz 1mw)
Impedance: 32Ω; Fixed power input: 30mW
Biggest withstanding power: 50mW
Plug: φ3.5mm (green)
The line is long: 2.0 meters
MIC:
Directivity: Isotropic
Size: φ6*5mm
Frequency range: 30 ~15,000HZ
Sensitivity: -58 ±3dB (at 1khz 4.5v)
Impedance: 10K ohm±15%
Control voltage: 3 volts
Plug: 3.5 millimeters plugs