3D spectacles; Baby monitors; Batteries; Batteries and battery chargers; Battery chargers; Cameras; Communications servers; Computer monitors; Digital phones; Digital photo frames; DVD players; Ear phones; Earphones and headphones; Electronic monitors for monitoring flowmeters; Global positioning system (GPS); Headphones; Headsets for cellular or mobile phones; Headsets for mobile telephones; Headsets for telephones; Headsets for use with computers; Karaoke players; Loudspeakers, headphones, ...