Fearture 1.7.1 Surround Sound:From subtle footsteps to powerful explosions, in-game audio is delivered in lifelike detail. 2.Noise-reduction omnidirectional microphone:Adopting the 360pick-up technique for clear voice, and reducing the noise. 3.High-quality Driver:Since the development of diameter of 50mm speaker, audio-visual as immersive 4.Comfortable Earmuffs:Stereo wet PU cortical earmuffs, comfortable, noise isolation 5.Cool LED backlight,adding charm in game playing, look more fashionable. Specification Brand: ZOP Model: N15 Interface: USB Plug Cable Length: 2.2m Speaker Diameter: 50mm Microphone:Omnidirectional Frequency Response: 20Hz C 20kHz Impedance: 21 + 10% Sensitivity: -38dB3dB Net Weight: 350g