Description: High-performance microphone, realistic sound propagation tool, 360 ° omni-directional, anti-noise, can be used as computer recording equipment. High sensitivity and effective distance of 2 meters or more, bid farewell to the traditional wheat effective distance 0.5M-1M limitations. There is no need for other devices to access the recording, and the microphone of the computer's built-in sound card is automatically shielded. Any computer with a USB port (including Macbook), free drive above the XP system, plug and play. Crispness and sharpness flat wide frequency response, dual key function switching, recording and conversation. Specification: Sensitivity: -47dB ±4dB Reduced sensitivity: -3dB at 1.5V Operating voltage: 4.5V Frequency response: 100~16kHz Signal to Noise Ratio: More than -67dB Size Chart: Product Size: Approx. 250x75x75mm / 9.84x2.95x2.95inch (Chassis Size: 75mm / 2.95inch) Microphone Caliber: Approx. 12x12mm / 0.47x0.47inch Line Length: Approx. 140mm /5.51inch Package Includes: 1 piece USB Microphone Note: Please allow 1cm error due to manual measurement