USB Digital Noise Canceling Desktop Speech Microphone

USB Digital Noise Canceling Desktop Speech Microphone Features: 1. Special design for chatting over QQ,MSN,SKYPE and singing on the internet. 2. Also suitable for having a meeting speech. 3. Compliant with USB specification V2.0 full speed operation. 4. Compliant with USB audio device class specification V1.0. 5. Compliant with Win 2000/XP/7/8 and Mac OS X. 6. Supports USB suspend/resume mode 48KHz recording sampling rate for Mic application in record only mode. 7. Superior sound clarity with the simplicity of a single USB plug-and-play connection 8. Noise-canceling digital sound. 9. Adjustable microphone: the pivots on base can be rotated for about 180which can hold a preferred position for you. 10. The power/mute switch on base: the light around the swutch illuminates when the microphone is active (Green Indicator)or mute(Red Indicator). 11. Sleek, compact, and attractive that it's perfect for any desktop. Specifications: 1. Color: black 2. Directional characteristic: Omni-Directional 3. Sensitivity Range: -58+1 dB at 1KHz (0 dB=1V/uba) RL=2.2K VCC=3.0V 4. Impedance: 2.2K + 30% at 1KHZ (RL=2.2K) 5. S/N ratio: More than 58dB 6. Max input Sound level: 115dB S.P.L 7. Operating voltage: 2.0V (1.1~10V) 8. Cable length:1.2m Package: 1 x USB Desktop Microphone