90757577
Jun 7, 2021
Radios; Audio amplifiers; Digital audio players; Electronic LED signs; Luminous variable/dynamic signs using light emitting diodes and electronic controllers to produce real-time and programmable messages and information displays; Optical readers; Picture projectors; Portable and handheld digital electronic devices for recording, organizing, transmitting, manipulating, and reviewing text, data, image, and audio files; Time clocks
Electrical and Scientific Apparatus