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Hey guys,

Does anyone own a fully optical switch keyboard from A4tech like b640 or b700?

What are your impressions ? Are the switches responsive ? Does it start making problems after a while ?

I would like to know because it seems like a pretty cool technology and A4tech seem to be the only one implementing it.

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https://linustechtips.com/topic/655499-a4techs-lk-switches/
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