Quad Layer Speaker Technology

Class [9]
Computer & Software Products & Electrical & Scientific Products

Earphones; Headphones; Wireless headsets; Speakers; Smart phones; Portable communication apparatus; Television receivers; Electronic handheld units for the wireless receipt, storage and/or transmission of data and messages; Apparatus for recording, transmission or reproduction of sound or images; Electronic wearable units for the wireless receipt, storage and/or transmission of data and messages; Wearable smart phones; Wearable electric audio and visual apparatus and instruments; Computers; Tablet computers; Software for earphones; Software for speakers.