Audio amplifiers; Cell phones; Computer keypads; Earphones and headphones; Headphones; Headsets for telephones; Headsets for use with computers; Intercoms; Loudspeakers; Mobile telephones; Navigation apparatus for vehicles in the nature of on-board computers; Personal stereos; Portable telephones; Printing fonts that can be downloaded provided by means of electronic transmission; Set-top boxes; Smartwatches; Tablet computer; Telephone headsets; Videophones; Wireless headsets for tablet computers