Type: HeadsetColor: BlackHeadphone type: HeadphonesWear: head wearHeadset output audio: PC computerPlug diameter: 3.5mmPlug type: straight typeWireless headset: CableThere is no microphone: there isFrequency range: 20~20000 (Hz)Impedance: 32 ()Sensitivity: 98 + 3 (dB)Wire length: 2.4 (m)Uses: ordinary earphone、 hifi earphone、 MP3 earphone、 video game headphones、 Noise Cancelling Headphones、 Gaming Headset、 headphone music、 voice headset、 computer headset