Specification Binding : Electronics Brand : Executive Communication Systems Color : Black Label : Executive Communication Systems Manufacturer : Executive Communication Systems Model : ECS-WFCM3.5-4PK PackageDimensions_Weight : 3.00049138582 PackageDimensions : L:13.99999998572 X W:6.99999999286 X H:4.9999999949 PartNumber : ECS-WFCM3.5-4PK ProductGroup : CE ProductTypeName : PHONE Publisher : Executive Communication Systems SmallImage_Height : 75 SmallImage_URL : http://ecx.images-amazon.com/images/I/41hE0rFc0OL._SL75_.jpg SmallImage_Width : 75 Studio : Executive Communication Systems Title : (4) WordForum 3.5 mm Stereo Conference Microphones Daisy Chained with 360° Omni-Directional Digital Recording for Meetings or Teleconferencing with SKYPE or Other VoIP Calls Weight : 3 WeightUnit : pounds