• [Dynamic Control During Game] Changes basic time and auxiliary parameters of both players during the game, dynamic control of game timing without interruption • [Custom Timing Options] The clock allows each player to set different basic times and auxiliary parameters, giving you a timing option that is adjusted during the game, giving you a fair-play experience • [Flexible Timing Rules] Easy to set basic times and auxiliary parameters for various timing rules, adapting to different player preferences and enhancing game management • [Convenient Resume Play] After shutdown, the watch retains rule parameters so you can resume play with saved settings for added convenience and ease of use, making it a great tool for competitive players • 【Suitable for various game competitions】This chess watch is suitable for Chinese chess, international chess and go game games,meet a wide range of timing needs in competitive play