Specifications : 1. Cool black, more intimate colors 2. High performance microphone, true sound reproduction 3. High sensitivity, effective distance of more than 2 meters, bid farewell to the traditional 3.5-pin wheat effective distance 0.5M-1M limitations 4. Access to use recording does not require other devices 5. Can be used with any computer with USB port (including Apple), XP-free and above, plug and play. 6. Flat and wide frequency response for crispness and clarity Features: 1. Sensitivity: -47dB±4dB 2. Sensitivity reduction: -3dB at 1.5V 3. Working voltage: 4.5V 4. Frequency response: 100~16kHz 5. Signal to noise ratio: More than -67dB 6. Line length: 0.7-0.9M