The innovative Millennium eONE connects to play chess in more ways than any other chess computer.Your moves are recognized instantly by the computer with fully automatic move detection!Slim, ergonomic pieces are fun to play. On-board lights display every move so you can focus on the feel of making good moves.eONE is both portable and comfortably sized at 12" (31cm square) and is powered with an internal rechargeable, long-life battery recharged with USB-C. Play with someone else remotely or with any of a variety of connected computers. It's up to you how you want to connect!To get started, just connect your phone or tablet for these compatible programs: - Play on lichess.org with ChessLink app or WhitePawn (Android & iOS) - Play on Chess.com with the Chess.com Android App (no iOS yet) - Play on Tornelo.com with Windows PC - Hiarcs Chess Explorer on Windows & Mac, or iOS - Chess for Android on mobile devices - LucasChess (Now also on Windows with Bluetooth), Arena and many more community projects.No other eBoard with LED move display currently supports such a wide number of chess applications!Features at a glance - Play online on a real board, connect to chess.com or Lichess and let the fun begin. - Move indication on every square. LEDs around each square show the opponents moves - Unique and convenient design. The board and its unique chess pieces offer natural, authentic chess play in a clean, modern, and ergonomic design. - Easy to use with three buttons,Invert board, Bluetooth, Brightness. Power is located just beneath one side and reachable without turning the board over.The MILLENNIUM eONE is an electronic chess board specially designed for players who like to play online chess and who want an authentic, real game feel. Designed in MunichThe board design was developed in Munich, including the unique and modern chess pieces. These are classically elegant and stylish, combining tradition and modernity. The pieces are weighted at the base with anti-slip base. The slim ergonomic shape ensures a good grip and excellent board overview.SPECIFICATIONS Dimensions: 12.2 x 12.2 x 0.97 inches; Square size: 1.188 (1 3/16"); King height: 2.17 inches; Board Weight 32 oz; Set Weight 8 oz; Bluetooth integrated; USB connection; Lithium battery built-in; Battery should last at least 12+ hours per charge. Recharge of battery will be a maximum of 4 hours.; No levels, or internal engine, it instead runs off the App it is connected to; MANUALeONE - M841.