90589169
Mar 19, 2021
Audio systems comprised of loudpseakers, amplifiers, digital-to-analog converters, sound equalizers, radio hardware modules, microphones, and hardware and software for streaming music, receiving and playing back radio signals, and sending and receiving phone calls and text messages; audio system comprised of loudpseakers, amplifiers, digital-to-analog converters, sound equalizers, radio hardware modules, microphones, and hardware and software for streaming music, receiving and playing back radio signals, and sending and receiving phone calls and text messages for use in vehicles
Electrical and Scientific Apparatus