[ WIRELESS TELEPHONES AND WIRELESS RADIO RECEIVERS; ] WIRELESS REMOTE CONTROL DEVICES FOR CONTROLLING ELECTRONIC APPARATUS AND INSTRUMENTS FOR USE IN TEACHING, AND COMPUTER PERIPHERALS FOR USE THEREWITH, namely, COMPUTERS, KEYBOARDS, INTERACTIVE ELECTRONIC COMPUTER WHITEBOARDS; ELECTRONIC APPARATUS AND INSTRUMENTS FOR USE IN TEACHING, AND COMPUTER PERIPHERALS FOR USE THEREWITH, namely, COMPUTERS, KEYBOARDS, INTERACTIVE ELECTRONIC COMPUTER WHITEBOARDS AND ELECTRONIC PENS AND TOUCH PADS AND HAN...