Audio books in the nature of novels; Batteries, electric; Computer operating programs, recorded; Dog whistles; Earphones; Encoded identification bracelets, magnetic; Eyeglasses; Fire alarms; Gloves for protection against accidents; Headphones; Loudspeakers; Navigational instruments for vehicles; Recorded computer game software; Scales; Smart rings; Sound recording apparatus; Sound transmitting apparatus; Speaking tubes; Telephones incorporating intercommunication systems; Thread counters