Alcohol breath testing units; Apparatus for speech recording and replaying; Audio and video cassette recorders; Audio recorders; Bone conduction earphones; Digital voice recorders; Earphones and headphones; Electromechanical devices for preventing squirrels and other animals from accessing bird seed in feeders; Phonograph record players; Portable listening devices, namely, MP3 players; Sound and video recording and playback machines; Sound recording apparatus; Stands for personal digital elec...