Calculators; Rangefinders; Smartwatches; Webcams; Burglar alarms; Cell phone cases; Chargers for electric batteries; Electronically-operated door latches; Eyewear, namely, sunglasses, eyeglasses and ophthalmic frames and cases therefor; LED monitors; Microphones; Notebook and laptop computers; Personal stereos; Power switches; Remote video monitoring system consisting primarily of a camera and video monitor for recording and transmitting images to a remote location; Smart glasses; Smart rings...