I use mine regularly for my rapid games on both chess.com and Lichess with chessconnect. I rarely have any issues, and when I do, just clicking the "connect" button on the webpage again is usually enough to fix it.
Chessnut Air Review
You should check out the Chessnut Backers Group and the Chessnut Users Groups on Facebook. There are some users that have had problems with the Chessnut boards and pieces.
I purchased my Air+ back in January 2024, it came with a 1 year warranty.
I have had problems with one of my Black Bishops not always being recognized on some squares and sometimes it would disappear from a square when a piece next to it was moved.
Last week I contacted the Chessnut support e-mail and they requested videos showing the problem. They looked at my videos and diagnosed the problem as a weak sensor in the Black Bishop and they are sending me a new Black Bishop for my Air+. It should arrive to me in about 10 to 15 days.
From my experience I can tell you that if you do have a problem with their product, the Chessnut support person I worked with was easy to work with and appeared to genuinely want to make it right.
I concur with all of the messages above. I have a Chessnut air, pro and go. All three are working perfectly, the number of disconnects I've had are not worth mentioning at all. Chessconnect works great if you use a computer or Android tablet with kiwi browser. And the chessnut app works fine as well.
I don't have any other e boards, so it's difficult to really compare, but I have read enough horror stories about some other brands. However, nothing but praise from me about chessnut products!
The only issue I've ever had was also with a bad sensor. Chessnut customer service was very supportive and sent me a replacement as well. I found they were quite quick to respond and very kind.
@keithearls - Just used my Air for two games this past week, using the Chessconnect extension (thread found in this sub forum, developed by Chess[]com member @joernupbde) and it performed flawlessly.
The only time I looked at the screen was to start the game and to either say good game or offer a draw. The entire time I only looked at the board. One game was 43 moves, the other was 53 moves.