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1,Frequency response:20Hz-20kHz 2,Speaker impedance :32Ω±15% 3,Driver unit: Φ10mm 4,Rated power:3mw 5,Sensitivity:102-105dB 6,Microphone size :6.5*29mm 7,Plug:3.5mm stereo 8,Wire:Φ1.8mm, length 1.2M...