Apparatus for wireless transmission of acoustic information; Blank USB flash drives; Cases for smartphones; Cell phone battery chargers; Computer peripheral devices; Converters for electric plugs; Data cables; Data processing apparatus; Earphones; Electric navigational instruments; Personal headphones for use with sound transmitting systems; Sleeves for laptops; Smart watches; Stands adapted for mobile phones; Video recorders; Voice over internet protocol (VOIP) phone adapter; Blank optical d...