How to Use: Plug and play Specification: Item Type: Gaming Headphones Material: ABS,PU Microphone: Mic Size: Approx. 9 x 7mm / 0.4 x 0.3in Directivity: Omnidirectional Sensitivity: -46±3dB Impedance = 2.2KO Speaker: Driver Diameter: Approx. 40mm / 1.6in Impedance: 32O Frequency Response: 20Hz-20KHz Output Sound Pressure)S.P.L):102dB±3dB Plug: USB2.0 Package List: 1 x Gaming Headphones 1 x User Manual See moreComfortable Earmuffs: According to the characteristics of human skin, the use of three dimensional earmuffs that are closer to the skin, no friction, better sound insulation, and comfortable to wear. USB2.0 Transmission: Wired gaming headphones adopts USB2.0 high speed transmission version, anti static, anti power down, anti current sound, effectively avoiding players' discomfort. Light Emitting Design: Control the LED dislocation and color changing light through the chip, to achieve the effect of colorful breathing and alternate color changing light, highlighting the game ambience. Sharing Hole Design: Under the premise of normal operation of the headset, you can plug in other headphones through the voice frequency sharing hole on the right to share music or game sound effects at the same time. 7.1 Sound Card Chip: Gaming headphones have a built in 7.1 sound card chip. Through chip calculation and digital to analog signal conversion technology, it can achieve 7.1 stereo surround sound effects.