The USB plug is suitable for: KTV, online chat, MSN, SKYPE, online video conferencing, online singing, online recording, online gamesProfessional network microphone, professional voice chat tool, plug and play, no driver required, portable and practical.How to use:Plug and play in XP and above systems, automatically the microphone of the computer's built-in sound card (some computers will not , just switch it manually once)Product features:1. Cool black, more intimate color2. High-performance microphone, true sound replica3. High sensitivity, effective distance of more than 2 meters, say goodbye to the traditional 3.5-pin microphone effective distance 0.5M-1M limitation4. No other device is needed for access and recording5. Can be used with any computer with a USB port (including Apple), driver-free and plug and play above XP system6. Flat and wide frequency response for crispness and clarityProduct parameters:1. Sensitivity: -47dB4dB2. Sensitivity reduction: -3dB at 1.5V3. Operating voltage: 4.5V4. Frequency response: 10016kHz5. Signal-to-noise ratio: More than -67dB6. Cable length: 1.2M