3D spectacles; Battery chargers; Cameras; Earphones; Electric door bells; Headphones; Projection screens; Selfie sticks; Slide projectors; Smartphones; Tool measuring instruments; USB cables; Videophones; Virtual reality glasses; Wireless cellular phone headsets; Digital voice recorders; Electronic location and immobilization devices installed after purchase for use with vehicles; Pocket translators; Transparency projection apparatus; Wearable activity trackers