1.professional online microphone,professional voice chatting tool,plug and play,no need for any drive,conveninet to carry and practical2.computer USB plug,fit for any computer with USB plug3.360all-dimensioanl direction,good spread performance,can shift direction from any drection;noiseproof,can be used as computer record device4.high sensitivity,effctive distance over 2m,say goodbye to 3.5 microphone's effective distance of 0. 5m-1m5.falt and wide response of crispness and definition Specifications: name:mini microphonesensitivity: -47dB4dBsensitivity lower: -3dB at 1. 5Vwork voltage: 4. 5Vfrequency response: 100~16kHzSNR: More than -67dBsize13*5cmwire length 113cmcolorblack, whitesuitablehouseholdcomputerUSB plug suitableKTVonlin cattingMSNQQSKYPE online cideo meetingonline singingonline recordingonline gamecautionif you are perfectionist who is demanding to microphoneplease do not buymicrophone's sensitivity is very higheffective distance is over 2mwhen use it there's surrounding noise more or lessif you mind it please do not buy using methodplug and play in OS over XPautomaticaaly shield computer's inbuilt sound card microphonesome computers won't as long as you switch one time