PRODUCT NUMBER MH-670 HEADPHONE DRIVER DIAMETER 50mm HEADPHONE FREQUENCY RESPONSE 15-25,000Hz / 3.5mm mode, 20-20,000Hz / 2.4G mode HEADPHONE IMPEDANCE 32Ω HEADPHONE SENSITIVITIES (@1KHZ) 110dB ± 3dB HEADPHONE INPUT Maximum 150mW HEADPHONE CABLE LENGTH 1.5m 3.5mm to 3.5mm cable, 1.2m micro USB Charging cable HEADBAND MATERIAL Steel and plastic headband, PU leather and foam cushion HEADPHONE EAR CUSHION MATERIAL PU Leather 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 POWER MODE CONTROL On/off switch button DIMENSIONS (L X W X H) 192 x 85.5 x 191.5 mm / 7.59 x 3.37 x 7.54 inches WEIGHT 373g / 0.82 lbs (Inclusion 3.5mm Cable), 346.5g / 0.76 lbs (Without Cable) WARRANTY 2 years PRODUCT Audio