product description Features: Larger speakers. A new generation of 50mm sound unit with high audio resolution. Fit earmuffs. Surround thick skin-friendly leather earmuffs. Comfortable to wear. Handy telescopic microphone boom. Retractable 360° rotating microphone can make clear calls to 50MM audio. The new generation of speaker driver 50mm sound unit has high audio resolution, wide frequency response range, good sound field level and 7.1 sound effect technology can clearly restore sound details. 7.1 real surround sound enhances the environmental auditory effect, and the millisecond speed response can timely identify the enemy in the game Positional communication-advanced omnidirectional microphone with noise reduction technology can pick up your voice 360 degrees. Without any external noise, it is very suitable for chatting with other players. 2k frequency range: 20Hz-20 KHz LED working voltage: DC5V microphone sensitivity: -38 +/- 1dB working current: headphone jack: USB 7.1 cable length: about 2.2m