87802543
Feb 19, 2018
Digital audio processing devices; Sound amplifiers; Wireless sound amplifiers; Apparatus for the recording, transmission, amplification and reproduction of sound; Sound reproduction apparatus; Portable media players; Personal headphones for use with wireless sound transmitting systems; Audio speakers for home; Apparatus for transmitting and reproducing sound, namely, electronic circuit machines for use in sleep-learning; Digital media streaming devices
Electrical and Scientific Apparatus