Fangrui Product Details Dedicate Usb Capacitive Mini Microphone Stand For Pc Laptop Notebook Recording Wired Device Features: Usb Interface, No External Power Supply Needed.,offers Excellent Sound Quality With Any Plug-in And Play Enabled Computer Device. Flexible Neck To Adjust Your Convenient Direction For Talking. The Effective Distance Of More Than 2 Meters, Bid Farewell To The Traditional 3.5-pin Wheat Effective Distance 0.5meter-1meter Limitations. Designed To Filter Out Background Noises For Crisp, Clear The Audio, 360 ° Omnidirectional Full Point, Anti-noise. Can Be Used With Any Usb Port Computer (for Apple), For Xp System Or Above Free Drive. Accessorie For Voice, Voice Recognition And All Kinds Of Video Chat Requirements. Suitable For: Ktv, Msn, Qq, Skype, Online Chat Games, Web Video Singing Recording, Usb Microphone For Pc ,etc. Specifications: Use: Usb Microphone Communication: Wired Cable Length: 825mm Colour: Black Voltage: 4.5v Sensitivity: -47db±4db Sensitivity Reduction: -3db At 1.5v Frequency Response: 100~16khz Signal To Noise Ratio: More Than -67db Cable Length: 0.7-0.9 Meters Material: Abs Package Include: 1 X Usb Stand Microphone