PRODUCT NUMBER CH-321 HEADPHONE DRIVER DIAMETER 50mm HEADPHONE FREQUENCY RESPONSE 20-20,000Hz HEADPHONE IMPEDANCE 16Ω HEADPHONE SENSITIVITIES (@1KHZ) 115dB ± 3dB HEADPHONE INPUT Maximum 180mW HEADPHONE CABLE LENGTH 2.3m Type A USB cable HEADPHONE CONNECTOR USB Type A HEADBAND MATERIAL Steel and plastic headband, Artificial leather fabric, Foam cushion HEADPHONE EAR CUSHION MATERIAL PU Leather MICROPHONE PICK-UP PATTERN Omni-Directional MICROPHONE FREQUENCY RESPONSE 100 – 16,000 Hz MICROPHONE SENSITIVITY (@ 1KHZ) -38 dB ± 3dB MICROPHONE SIGNAL TO NOISE RATIO 50dB or more MICROPHONE TYPE Non-removable flexible microphone DIMENSIONS (L X W X H) 200 x 105 x 220 mm / 7.85 x 4.13 x 8.66 inches WEIGHT 348g / 0.76 lbs (Including Cable), 256g / 0.56 lbs (without Cable) WARRANTY 2 years EAN CODE 4719512077641 UPC CODE 884102050138 PRODUCT Audio HEADPHONE TYPE Over-Ear Headphones