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Pointing characteristics: Cardioid (0。～180。@250Hz-5000HZ＞10db)Working current: 50-100mAWorking voltage: 5VWeight: 0.62kgSize: 105*105*190Material: ABS+metal oil injectionSupport device: mobile phone/computer/tabletButton functions: turn on/off, mute, noise reduction, headphone volume adjustment, mic..