Earphones; Batteries for use in hearing aids; Ear phones; Fitted protective skins comprised of rubber, silicone for covering drive-thru communication headsets; Handheld electronic units for adjusting sound levels in hearing aids; Headphones including attached lanyard; Personal headphones for sound transmitting apparatuses; Personal headphones for use with sound transmitting systems; Protective cases for audio equipment in the nature of speakers, headphones, audio mixers; Stereo headphones; St...