Knowing this is not a brand I expected some changes or issues. Luckily we didn't really have any! They work well and connect quickly to our existing Wii-U. However, the motion sensor on one of the remote controls is very insensitive - we have to shake it very hard for it to click into place. We kind of got used to it and it still works, it just takes a little more wrist effort. The battery life is nowhere near as good as Wii Remotes, probably lasting about half as long as I think. go too well with them! And the nunchakus are cool, there were no problems with them.