FOM Iron Man 3 Gaming Headset E-Blue Marvel PC Headphones Original Limited Edition Product Features Comfort earcup Both earcup adopts material which provides great softness, allowing its users to battle without any pressure. The sound could penetrate through the cups without loss of bass domination Pulsating illumination Iron Man 3 headset features pulsating illumination, which varies the brightness periodically, delivering a dazzling appearance while gaming Noise reduction Iron Man 3 headset features leather cover foam to reduce the surrounding noise. You can enjoy the incredible sound without any disturbance Retractable mic The left earcup contains a retractable mic which means you can hide it if you don"t need it Product Specifications Headset wearing styles: wearing ear Frequency range: 20 Hz - 20 KHz Speaker sensitivity: 117 + / - 3dB Headphone plug: USB Unit diameter: 50 mm Microphone Specifications: 4*2mm Microphone sensitivity: - 48 + / - 3dB Microphone impedance: 22000 ohm Headphone cable: 2.8m Rated power: 30 mW Maximum output power: 300 mW Package Content 1X FOM Iron Man 3 Gaming Headset E-Blue Marvel PC Headphones Original Limited Edition