87619657
Sep 22, 2017
Aug 28, 2018
Active Trademark
Combined wireless audio transmitter, receiver, microphone and speaker units for classroom use; electronic media connector comprising an audio transceiver for receiving audio inputs from sources including computers, DVD players, phones, and audio visual equipment and for transmitting such received audio signals; speaker amplifiers; microphones; audio transceivers; batteries; charging stations for microphones and for combined speaker microphone units; wireless combined speaker and microphone units for two-way audio communication
Electrical and Scientific Apparatus