Here is another smart chessboard that lets you play against online opponents on a real chessboard. The Millennium eONE shows the moves with LEDs. It has invert, Bluetooth and brightness buttons for easy setup. This board lets you play on lichess, Chess.com, and Tornelo. It is compatible with Hiarcs for iOS, Chess for Android, and LucasChess.
This board measures 12.2 x 12.2 x 0.97 inches. It has a rechargeable battery and can be charged with a USB-C connection.