Here is another retro USB microphone from the guys over at USB Geek, the USB Retro Microphone II.

The USB Retro Microphone II has a built in noise cancellation feature, and it is designed to be used with software like Skype and MSN.

Here are the specifications.

• Driverless, plug and play
• Special design for chatting over MSN, Skype and singing over internet
• High quality microphone with noisy cancellation, prefect voice recorder
• High-performance microphone accurately reproduces sound
• Conveniently set with the help of stand and clip
• Volume control, LED indicator
• Sensitivity: -55dB +/- 2dB
• Impedance: ≦2.2kΩ
• Sensitivity reduction: within -3dB at 1V
• Operation voltage: 1.5V
• Frequency Response: 50MHz-16KHz
• S/N ratio: more than 36dB
• Dimension: 151 x 61 x 55mm (approx.)
• Weight: 193g

The USB Retro Microphone II is available for $20 from USB Geek.