AUDIFONO GAMER MH-650 BLACK COOLER MASTER. TIPO DE CONEXION: USB. PRODUCT NUMBER MH-650 HEADPHONE DRIVER DIAMETER 50mm HEADPHONE FREQUENCY RESPONSE 20-20,000Hz HEADPHONE IMPEDANCE 32O HEADPHONE SENSITIVITIES (@1KHZ) 107dB ± 3dB HEADPHONE INPUT Maximum 80mW HEADPHONE CABLE LENGTH 2.2m USB cable HEADBAND MATERIAL Steel and plastic headband, Mesh fabric and foam cushion HEADPHONE EAR CUSHION MATERIAL Mesh fabric and foam cushion MICROPHONE PICK-UP PATTERN Omni-Directional MICROPHONE FREQUENCY RESPONSE 50 - 18,000Hz MICROPHONE SENSITIVITIES -40 ± 3dB (@ 1KHz) MICROPHONE SIGNAL TO NOISE RATIO 50dB or more MICROPHONE TYPE Detachable flexible microphone VOLUME CONTROL Up/Down Buttons (on Headsetr control) MICROPHONE CONTROL mute switch VIRTUAL 7.1 SURROUND SOUND On/off switch button