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Reviews (12)

Dec 08, 2015
Basic model
I have used many different wireless mice over the years. When I purchased these I thought that they would be like all the rest but they aren't. The wheel is only active in two axis. Of course one can roll it and then smart scroll can be selected by pushing down to activate the switch beneath it. The two switches that I find pretty important that are not there, however, are the left and right wheel switches. Very useful when the bottom scroll bar shows up on your screen indicating you have content off to the right or left. I'm still pushing this wheel to the right or left, wishing it would scroll...

Jan 02, 2018
Just like factory originals
Easy to change.

Jun 20, 2017
Yes, they are excellent for high performance crystal radios!
I have tried at least 100 different germanium diodes in my crystal radio. The FO-215 has not been equaled or beat until now. This is the first diode I've tried that equals the FO-215. If you are into high performance crystal radio and you don't have the FO-215 as your detector this diode is as good or better than the 215. Love the size too!
Oh, one more thing - it's a 1n541.