Earphones (other than hearing aids for the deaf); Car speaker components; Car speakers; Portable speakers; Personal stereo speaker apparatus; Smart speakers; Wearable speakers; Audio speakers; Audio speakers for home; Audio speakers for automobiles; Speakers (audio equipment); Headphones; Stereo headphones; Plug adaptors for headphones; Stereo headphones for personal entertainment use; Stereophonic headphones; Headphones for microphones; Microphones; Karaoke equipment