beyerdynamic, Inc.","Delegate microphone unit for flush table mounting featuring Metal plate with Nextel ® finish","Metal plate with Nextel ® finish. Round edges for flush table mounting. High-quality gooseneck microphone (including pop screen). Ring of the gooseneck illuminates to indicate the Ready-to-Talk status. Microphone button to switch the microphone unit on and off or for request to talk. Dual colour LED to indicate the microphone on\/request-to-talk status (red: request-to-talk is acknowledged; green: microphone unit is switched on and ready to talk). DIP switches for addressing and programming the microphone unit. 15-pin Sub-D socket for the system connecting cable. Fixed connecting cable (3 m long) with 15-pin Sub-D plug. Place to keep pens.