Headphones; Megaphones; Microphones; Scales; Smartphones; Audio-receivers and video-receivers; Bags adapted for laptops; Batteries, electric; Cases for smartphones; Computer peripheral devices; Covers for tablet computers; Digital photo frames; Electronic downloadable publications, namely, books for use by medical professionals in the field of science and medicine; Mobile telephones; Mouse pads; Protective films adapted for smartphones; Wireless headsets for smartphones; Wrist rests for use w...