Computer peripheral devices; Computer software (recorded); Interfaces (for computers); Computer programs, downloadable; Computer software applications (downloadable); Computer operating programs, recorded; Couplers (data processing equipment); Wrist rests for use with computers; Computer hardware; Optical discs; USB flash drives; Earphones (other than hearing aids for the deaf); Computer keyboards; Shaped flexible covers for keyboards; Headphones; Mouse (computer peripherals); Mouse pads; Mouse mats for use with computer apparatus; Equalizers (audio apparatus); Microphones; Chips (integrated circuits); Computer chips; Batteries, electric; Rechargeable batteries; Printed circuits