Apparatus for recording, transmission and reproduction of sound, data and images; computers, telephones, tablets, computer gaming machines; headsets, headphones, earphones and earbuds; hands-free communication apparatus and equipment for computers, tablets, telephones and computer gaming machines; telephone adaptors; cables for transmission of sound, data and images; hands-free communication apparatus and equipment for use in offices and with computers, tablets, telephones; wire and wireless communication apparatus; data communication hardware and computer software; communication interface units; noise measurement apparatus; noise level indicators.
Electrical and Scientific Apparatus