Headphones; speakerphones; telephones; chargers for batteries; conference phones; headsets for telephones; headsets for use with computers; IP (Internet protocol) cameras; multiple purpose cameras; noise cancelling headphones; power adapters; telecommunications and data networking hardware, namely, devices for transporting and aggregating voice, data, and video communications across multiple network infrastructures and communications protocols; telephone apparatus, namely, intercoms; video phones; wireless telephones
Electrical and Scientific Apparatus