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Speaker Dia:40mm | Power input:40mw | Cord Length:2.1m |
Sensitivity:112±3dB | Frequency response: 20∼20khz | Design for MP3/MP4/Portable media |
impedance:32 ohm | Mic Sensitivity:-58±3dB |
Our company and procedure information:
Neckband Headphone for iPhone,iPod & PC,with Microphone