Supply all kinds of good quality Airline earphone,Aviation earphone,MP3earphone at ex-factory price,OEM serive are available
Frequency range: 20--15000Hz
Speaker:φ27mm
Impedance: 32/300 ohms±10%
Rated power: 1mW
Maximum power: 100mW
Sensitivity: 125dB S.P.l.1KHz
Channel unbalance: < 3dB
Cable Lenght:1.2m±0.3m
Plug: φ3.5mm stereo
Two pin plug (single, bending and folding plug are available)