Bullhorns; Pedometers; Adapter plugs; Audio speakers; Blank CD-ROMs for sound or video recording; Blank recordable CD-Rs and DVD-Rs; Calipers for measuring trees; Camera tripods; CD-ROM drives; Cell phone cases; Countdown timers and alarms to remind a person to take or give medication and/or to remind a person of daily routines, incorporated into a wristband; Depth gauges; Earphones and headphones; Ethernet repeaters; Monopods used to take photographs by positioning a smartphone or camera bey...