Earphones; Loudspeakers; Microphones; Audio interfaces; Battery chargers; Camera mounts and supports; Computer cameras; Data cables; Earphone accessories, namely, earphone cushions, earphone pads, earphone cases, and earphone extension cords; Electronic devices for assisting care giving for seniors or people needing assistance comprised of sensors for determining status of person and apparatus for sending electronic alerts to care givers; Electronic writing tablets; Liquid crystal displays; Motion sensors; Selfie sticks; Semi-conductor memories; Sensors for determining position, velocity, acceleration and temperature; Sensors for scientific use to be worn by a human to gather human biometric data and also including an accelerometer and a gyroscope sold as a unit; Shutter releases; Speaker microphones; Teaching apparatus in the nature of a guard that is attached to the body of a woodwind instrument for music instruction; Teaching apparatus in the nature of hairdressing training heads; Artificial limbs for medical instruction purposes