Headphones; Acoustic couplers; Answering machines; Bags adapted for laptops; Blank USB flash drives; Cards with integrated circuits; Cassette players; Compact disc players; Computer keyboards; Computer mouse; Computer peripheral devices; Cordless telephones; Disk drives for computers; Electrical adapters; Electronic book readers; Global positioning system (GPS) apparatus; Interfaces for computers; Notebook computers; Personal stereos; Pocket calculators; Radio pagers; Satellite-aided navigati...