Dell Headset Alienware Gaming 7.1 AW510H, Product Type: Headset - wired - 3.5 mm jack, Additional Functions: USB DAC, Headphones Form Factor: Full size, Sound Output Mode: 7.1 channel surround, Max Sound Pressure: 107 dB, Impedance: 32 Ohm, Microphone: Boom, Microphone Operation Mode: Uni-directional, Microphone Active Noise Cancelling: Yes, Audio Specifications: Frequency Response 20 - 40000 Hz, Controls: Mute, volume, Dimensions (headset only) 217.50 mm x 202 mm x 104 mm, Starting Weight: 370g (0.81lb), Color: Lunar Light, 2y warranty