Invac Optical Switch Keyboard

By Xah Lee. Date: . Last updated: .

I can't find info about this keyboard. Any knows?

invac optical switch 20171111 86729 s
invac optical switch 20171111 4032×3024
invac optical switch 20171111 95992 s
invac optical switch 20171111 4032×3024
Did i $save$ you from getting a brick?

$5 me, at patreon
or paypal to xah@xahlee.org

If you have a question, put $5 at patreon and message me.