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Description:? Specification: Impedance: 32 ohms? Plug:3.5mm stereo direct plug Energy type:open electro-magnetism moving-coil Type: earbuds Frequency response:18-22 000Hz Harmonic distortion: <1% Sensibility: 119dB/mW Cord: OFC Oxygen-free copper wire long cord 1.2m short cord: 100cm Suitable for computer MP3 MP4 CD walkman etc
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