Lasted <90 days and I don't type much! Works, quite touch keys. Lights of several colors.Lasted Less Than 90 days! Plus I don't type much! Small, Lightweight, thin, quite touch short action keys. Lights of several colors. Adjustable light level. Too bad it died! The w started repeating itself. The key is NOT stuck and still has the same action all the other keys do! Replaced it with a little bigger, thicker, taller backlit keyboard. Hopefully the R-ii model RK105 will be more durable. 90 days suck! Seller and shipper are fine. Perhaps, I just got a P.O.S., aka crap.0