Mini USB Microphone MIC For Laptop/Notebook/PC/Audio Recording /MSN/Skype | eBay
150cm Portable Mini Clip-on Omni-Directional Stereo USB Mic Microphone for PC Computer - Walmart.com
Sound Professionals MS-USB-LAPEL-1-MKII - The Master Series by The Sound Professionals professional lapel omni-directional microphone is very small - about the size of pencil eraser tip (roughly 1/4" in diameter 1/2" long ).
USB Stand Mini Desktop Studio Speech Microphone Mic for PC Laptop Netbook | eBay
Adafruit Industries Mini USB Microphone - Black - Micro Center
USB 2.0 Mini Microphone Mic Audio Adapter Driver Free for Laptop Desktop PC - Skype / MSN / VOIP / Voice Recognition Software - Walmart.com