Classification Information
Earphones and headphones; Electric audio playback units with lights and speakers; Electronic circuits; Electronic devices for locating and tracking lost articles, people, pets, using radio frequency, global positioning systems, cellular communication networks; Luminous variable/dynamic signs using light emitting diodes and electronic controllers to produce real-time and programmable messages and information displays; Personal stereos; Portable media players; Portable wrist-mounted digital electronic device for audio recording and audio playback; Smartwatches; Wearable activity trackers
Electrical and Scientific Apparatus