High-fidelity recording system product, designed for QQ, MSN, Skype, Youtube, karaoke APP and Internet chat and so on. Features: 360 degree Omnidirectional, high fidelity & noise-cancelling microphone for computer recording. Dual-head microphone, so 2 people can use one microphone at the same time. Optional cable length: 1.5m(5ft)/ 4.5m(15ft)/ 6m(20ft). USB2.0 connector, compatible with most computer with USB port. Plug and play, drive free. Professional internet microphone and voice chat equipment, good helper for audio recording for KTV, Internet chat, MSN, QQ, Skype, Youtube, Internet video conferencing, karaoke apps, recording and online games and so on. Practical and Portable. Sent with a carry bag. Specifications: Cable Length: 1.5m(5ft) / 4.5m(15ft) / 6m(20ft) (Optional) Sampling Rate Supported: 8KH, 11.0592KHz, 22.05KHz, 44.1KHz, 11.0592KHz, 48KHz/16-bit Stereo Sound Sensitivity: -30dB±3dB Polar Pattern: Omnidirectional Impedance: ≤2.2KΩ Sensitivity : within -3dB at 1V Operating Voltage: 5V Frequency Response: 20Hz-16KHz Signal/Noise Ratio: 84dB Plug: USB2.0 Item Weight: 90g / 3.1oz Package Size: 13.7 * 9.2 * 3cm / 5.4 * 3.6 * 1.2inch Package Weight: 116g / 4.1oz Package List: 1 * Microphone 1 * Carry Bag Note: The mic will shield the computer microphone automatically. If it doesn't, please do it manually.