Features: suitable for video gamesWith its own extension rod, it is convenient to adjust the tightness of head wear and adapt to different groups of people;Features: suitable for mobile phonesFrequency response range: 20-20000hzLoudspeaker diameter: 40Φ (mm)Soft cloth earmuff and single cloth sheath head pad, with fine- and comfortable wearing;Output power: 30WHThis earphone is wired computer earphone, suitable for family desktop computer, Internet cafe, Internet cafe. Ultra thin speaker diaphragm, surround sound, high quality designWith microphone switch function, on / offResistance: 32 Ω1 X Gaming HeadsetLine length: about 2MFunction: 7.1USBMicrophone sensitivity : 38±3 (dB)High sensitivity noise reduction microphone design, retractable mark pole, more accurate, clear and smooth voice transmission;Function: earphone