|Radio Shack Stereo Hands-Free Tie-Clip Electric Mic||Stereo Hands-Free Tie-Clip Electric Mic||$29.99|
Description: Tiny clip-on dual mic has 30-18,000Hz response and a 4-ft. cord that plugs into a compact on/off switch, also with clothing clip. 16-ft. cord with two 1/8 " plugs at other end. Includes battery (#23-105). Microphone can be plugged directly into an MD unit, bypassing the included amplifier.
Links: Radio Shack has this item available for order from their website.