Features: The USB condenser microphone is specially designed for broadcast vocals, network singing and most musical instruments recording.  The microphone has built-in Reverb chip. Adjust the reverb knob on the microphone to add perfect reverb effect. No need for sound card.  Cardioid pick-up pattern minimizes background noise and isolates the main sound source.  No driver installation, no tedious debugging. Even inexperienced users can also use the microphone for fast recording.  3.5mm computer microphone input interface.  Come with convenient desktop stand, and anti-wind foam cap, easier to use.     Specifications: Material:Aluminum Alloy;  Mic Size:Approx. 15.5x4.9cm/6.10x1.93 inches;  Sound Head:Capacitive;  Frequency Response:30Hz-20KHz;  Directivity:Heart-shaped (0~180.at1KHz>12db);  The Loudest Level:120dB S.P.L;  Signal to Noise Ratio:70db;  Sensitivity:25mV/Pa (-32dB±2dB);  Words Put Function:db+1-+25db gain is adjustable;  Power Supply:USB DC5V;     The Minimum System Configuration: CPU:Intel P4 1.6GHz;  Memory:512MB;  Hard Disk:500m;  Graphics:The onboard video card;  Sound:Onboard sound card, microphone input, monitoring function;  USB Interface:Free USB interface;  Network Bandwidth:512K;     Package Included: 1 x USB Audio Condenser Microphone;  1 x Tripod Stand;  1 x USB Cable;  1 x Anti-Wind Foam Cap