[ Audio amplifiers; Bathroom scales; Calculating scales; Luggage scales; MP3 players; MP4 players; ] Portable radios; [ Radio pagers; Radio transceivers; Scales; Screen protectors comprised of acrylic, tempered glass, plastic adapted for use with portable electronic devices; Smoke detectors; Stereo amplifiers; ] Two-way radios; [ Video recorders; ] Walkie-talkies