DCN-DISBDD buttons for Dual Use Discussion Units replace the single microphone button on a discussion unit when used in dual delegate mode.

• 商品描述：DCN-DISBDD双代表按钮（10个）每套10个当讨论机设置成双代表机时，需用DCN-DISBDD双代表按钮替换原装的单个话筒按钮。