Mini USB Microphone for Laptop and Desktop Computer with Gooseneck for PC N0HC

High-concerned chemical：None Built-in Battery：No Polar Patterns：Uni-directional Package：Yes Communication：Wired Set Type：Single Microphone Transducer：Condenser Microphone Use：Computer Microphone Style：Tabletop Brand Name：ALITER Origin：Mainland China Certification：NONE Working voltage：5V Frequency response：100~16kHz S/N Ratio：More than -67dB Compatible system：Win 2000/XP/7 and Mac OS X Length：205mm, 255mm (optional) Sensitivity：-47dB±4dB Sensitivity reduction：-3dB at 1.5V

High-concerned chemical: None Built-in Battery: No Polar Patterns: Uni-directional Package: Yes Communication: Wired Set Type: Single Microphone Transducer: Condenser Microphone Use: Computer Microphone Style: Tabletop Brand Name: ALITER Origin: Mainland China Certification: NONE Working voltage: 5V Frequency response: 100~16kHz S/N Ratio: More than -67dB Compatible system: Win 2000/XP/7 and Mac OS X Length: 205mm, 255mm (optional) Sensitivity: -47dB±4dB Sensitivity reduction: -3dB at 1.5V