Specification: Polar Pattern:Uni-directional;  Sensitivity:-34dB ± 2dB (0dB=1V/Pa at 1kHz);  Output Impedance:150Ω ± 30% (at 1kHz);  Load Impedance:≥1000 Ω;  Equivalent Noise Level:16dBA;  Max. SPL:130dBA (at 1kHz ≤ 1% T.H.D);  S/N Ratio:78dB;  Electrical Current:3mA;  Size:Approx. 15.2cm x 5cm / 5.98 x 1.97 inch;  Cable Length:Approx. 255cm / 100.39 inch;     Features: This is a professional condenser micro phone, which adopts the exacting complete electronic circuit control and gold-plate diaphragm capsule, the microphone with a good cardioids polar pickup pattern, high output, low self-noise, and the accurate reproduction of even the most subtle sound, suitable especially for studios, recording studios, broadcasting station, stage performances and computer. Absolutely fulfil the requirement of high quality for broadcasting and recording.     This USB condenser microphone is a great choice for both vocal and instruments as well as for creating podcasts and voiceovers for videos This USB Recording Microphone makes recording vocals or instruments to your computer a plug and play operation. This Microphone is Windows and for Mac OS compatible,with no software to install--simply plug it into any available USB port, select it as your input in your software settings, and you're ready to create your own audio.  Come with convenient desktop stand, and anti-wind foam cap, easier to use.  Volume and Reverberation switches are efficient and user-friendly.     Note: This product has its own reverb function, so when connected to a computer, you need to turn off the computer's microphone reverb function.     Package Included:  1 x Audio Dynamic USB Microphone;  1 x Stand;  1 x Anti-wind Foam Cap;  1 x USB Audio Cable;  1 x Instruction