Computers; Eyeglasses; Headphones; Headsets; Microphones; Anti-glare glasses; Earphone accessories, namely, earphone cases; Earphone accessories, namely, earphone cushions, earphone pads, earphone cases, and earphone extension cords; Earphones for cellular telephones; Earpieces for remote communication; Electric storage batteries; Mobile telephone batteries; Noise cancelling headphones; Surveying machines and instruments; Virtual reality headsets