About MP3 In-ear Headphones Prodcuts Description
Specifications
* Speaker diameter: 10 mm
* Mylar: 6U
* Impedance: 32ohm/16ohm
* Sensitivity: 105±3dB, S.P.L. at 1kHz
* Frequency response: 20Hz-20KHz
* Input power: 2mw-4mw
* Distortion: Less than 5% at 1KHz 2mw
* Cord length: 1.25 m
* Plugs type: 3.5mm stereo
* Material of the earphone shell: metal
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