FIX UPDATE: I was able to use the reset hole on the bottom of the controller to insert a small paper clip and everything went back to normal; The controller takes over again and works great. Keep that in mind. Also worth noting: when I contacted the seller, they responded and were willing to help track down the problem - thanks for that after many months. UPDATE: My initial review below is positive. But after 5 months - it is not charged! Original rating. This is a great and affordable option for an additional Switch controller. Build quality is great, very solid/feels good in hand, charges quickly, buttons are very responsive. The included instructions are a bit confusing: I believe they were written by a non-English speaking person, so some of the advanced features are a little hard to find. But if I'm interested, I can definitely do it! If you're looking for a fast 2nd controller to play with, you should definitely consider this one!