Access control and alarm monitoring systems; Audio- and video-receivers; Audio speaker enclosures; Audio speakers; Audio transmitter units; Batteries and battery chargers; Battery packs; Biometric fingerprint door locks; Boxes specially adapted for housing audio equipment; Data cables; Ear buds; Earphone accessories, namely, earphone cushions, earphone pads, cord management systems, earphone cases, and earphone extension cords; Earphones and headphones; Electrical outlets; Electronic drum triggers; Electronic effect pedals for use with sound amplifiers; Electronic locks; Eyeglass cases; Eyewear, namely, sunglasses, eyeglasses and ophthalmic frames and cases therefor; Glasses for sports; Headphones including attached lanyard; Loudspeakers, headphones, microphones and CD players; Oculars; Optical glasses; Protective cases for audio equipment in the nature of speakers, headphones, audio mixers; Protective cases for smartphones; Screen protectors comprised of acrylic, tempered glass, plastic adapted for use with portable electronic devices; Smartglasses; Subwoofers; Wireless headsets for smartphones