Participants can use a discussion machine with a fixed microphone to speak, make requests and listen to others. The microphone handle bends flexibly. The discussion machine has two headphone jack, so you can hear what others are saying even if the background noise is very noisy. When the microphone is on, the built-in speaker is silent to prevent self-excitation. Multi-color decorative borders (dcn-disr ordered separately) are available for users to choose from. Basic function, reduce the headphone output level to prevent to produce acoustic feedback (when listen to the language and the venue is activated when the receiver opened, both can be used as a representative machine, also can be used as chairman of the machine (DCN - DISBCM chairman press button requires a separate order), the available cable clip (DCN - DISCLM, requires a separate order) to lock loop cable, unit equipped with two different length of microphone, and provides two light color and brunet base control and indicator lamp, microphone with a red or green light, the microphone button with a red, green or yellow hair. Red said receiver in the activated state, "green says it has to accept a request, and yellow says" VIP ", when representatives to join a notebook, VIP indicator light will light up (only when using the PC software available), the headset volume control button, hidden "De - init" switches interconnected components, two 3.5 mm (0.14 inch) stereo headphone jack, 2 meters (78.7 inches) cable, with moulded round connector, six six needle circular connector, Used to perform the loop connection certificate and approval certification European CE technical specifications for electrical indicators 30 Hz and 20 kHz frequency response headphones 32 ohm load impedance > < 1 k ohm output power 2 x 15 mW / 32 ohms mechanical indexes to install the desktop (portable or fixed installation) and embedded installation size (high) x width x thick (not including receiver) desktop installed 61 x 190 x 116 mm (2.4 x 7.5 x 4.6 inches) embedded installation 6 x 190 x 120 mm (0.2 x 7.5 x 4.7 inches) receiver length DCN - DISS 300 mm (11.8 inch) DCN - DISL DCN - DISS 470 mm (18.5 inch) weight of 880 grams (1.94 pounds) of DCN - DISL 895 grams (1.97 pounds) at the top of the color (RAL) 9022 white base color DCN - DISS - L light gray (000 7500) RAL Dcn-diss-d carbon black (PH 10736) The trim bar should be ordered separately. Order no. Dcn-diss-l dcn-diss-d discussion device, short microphone, dark microphone with short handle and dark base for the next generation DCN system conference to discuss installation. The trim bar should be ordered separately. Dcn-diss-d DCN‑DISL discussion device, long microphone, light color with long handle microphone, light color base for the new generation DCN system meeting to discuss installation. The trim bar should be ordered separately. Dcn-disl-l DCN‑DISL‑D discussion device, long microphone, dark microphone with long handle and dark base, new generation DCN system meeting to discuss installation. The trim bar should be ordered separately. Dcn-disl-d hardware accessories dcn-disrh-sr decorative border, high gloss, silver white (10 in each set) new generation DCN system conference discussion device decorative strips, high gloss, silver white (10 in each set). Order no. Dcn-disrh-sr dcn-disr-sr decorative border, silver white (10 pieces per set) new generation DCN system conference discussion device decorative strips, silver white (10 pieces). Dcn-disr-sr DCN‑DISR‑D trim border, dark (10 in each set) new generation DCN system meeting discussion device trim bar, dark (10 in each set). Order no. Dcn-disr-d DCN‑DISRMH decorative borders, metal, high gloss (10 per set) new generation DCN system conference discussion device decorative strips, metal, high gloss (10 sets). Order no. Dcn-disrmh DCN‑DISRMS decorative borders, metal, sub-gloss (10 in each set) new generation DCN system conference on device decorative strips, metal, semi-gloss (10 in each set). Dcn-disrms dcn-disbcm chairman button (10) new generation DCN system meeting discussion device chairman button (10). Dcn-disbcm dcn-disbdd dual-representative buttons (10) for the new generation of DCN system conference discussion device buttons (10) for the use of dual representatives. Cable clamps (25 in each set) for the new generation DCN system (25 in each set) under the order no. Dcn-disbdd dcn-disclm. Order number DCN - DISC