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					Originally Posted by  gmw
					 
				 
				I don't know what wireless keyboards you've been using.  My last Microsoft Natural keyboard (the 7000) had no on/off switch and went for months on three AA batteries. 
			
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 Same. My current home and work wireless keyboards both have been on the same batteries for many, many months. The way my work desk is setup it's either a wireless keyboard or a USB extension cord for a wired one.