Emerson Karaoke M193 Headset Microphone: * Headset condenser microphone * Dynamic range * Audio frequency response: 50Hz - 12.5kHz * Signal-to-noise ratio: 60dB * Operating temperature range: 5 degrees C - 45 degrees C * Carrier frequency range: 180MHz - 280MHz * Cord measures 10" with 6.3mm (1/4") cable end * No assembly required * 1-year warranty