SF-666 Multimedia Wired Condenser MicrophoneSensitivity: -55dB ± 2dBImpedance: ≤ 2.2K?Sensitivity reduction: Within -3dB at 1.5 VOperation voltage: 1.5VFrequent response: 50Hz - 16KHzS / N ratio: More than 36dBColor : BlackA mic holder and clip included for easy set-up.Portable and plug-and-pl..