pecial design for chatting over QQ,MSN,SKYPE play speech and singing on the internet. ; 3.5mm stereo jack plug fits for all kinds of PC. ; High quality mic, perfect voice recorder. ; Plug and play, no extra gear needed. ; Noisy cancellation. ; Conveniently set with the help of the mini desktop tripod (Included). ; High-performance microphone accurately reproduces sound. ; USB plug works with any USB-equipped computer. ; Desktop mic stand, mic clip. ; Portable and practical. Specifications: ; 1. Model: SF-666 ; 2. Sensitivity: -55dB2dB ; 3. Directivity: noise canceling ; 4. Impedance: ‰¤ 2.2K Ω ; 5. Sensitivity reduction: within -3dB at 1.5V ; 6. Operation voltage: 1.5V ; 7. Frequency response: 50Hz -16KHz ; 8. S/N ratio: more than 36dB ; 9. Cord length: about 2m Package: ; 1× Condenser Microphone ; 1× Mini Desktop Tripod ;