MIC-G751 " Super Bass System "
Speaker size : Φ40mm Frequency range : 20-20,000Hz Speaker impedance : 32 Ohm±15% Speaker sensitivity : 105dB±3dB Microphone impedance : 2200Ω Microphone sensitivity : -58dB±2dB Maximum power : 100mw Standard operating voltage : 4.5V Wire length : 2.2 meters GENCOD : 3700104404427