http://www.youtube.com/rick…
A thorough review of those cheap wireless radio microphones that you can buy on eBay for around £8 ($10-$12USD).
here is a link to eBay showing a similar system:
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Cheap Wireless Radio Mics From Ebay – Any Good?
Boosting Your eBay Auction Profits: Just Add Audio
Are You Getting The Highest Possible Profits From Your Ebay
Auctions? Here’s a tip: Add audio to your auctions.
According to a recent report, adding audio to your eBay auctions
could increase bids by as much as 22% over auctions without
audio.
A recent trend showing up on a lot of websites is the addition
of an audio clip. [...]