Sound: stereo Speaker size: 50mm Rated power: 30mW Speaker impedance: (32 + 15%)¦¸ Speaker sensitivity: 112dB ¡À3 dB Microphone size: 4 x 1.5mm Microphone type: omnidirectional Microphone sensitivity: -40dB ¡À3 dB Frequency response: 20Hz~20KHz Backlight: static RGB Connectors: 3.5mm*2+USB Cable length: 1.8m Compatibility: Windows 7 or above
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