Headphones; Headsets for playing video games; Holders adapted for mobile telephones and smartphones; Infrared detectors; Mouse pads; 3D spectacles; Portable media players; Electrical inductors; Rearview cameras for vehicles; Smartwatches; Smoke detectors; Spectacles; Wireless portable document printers for use with laptops and mobile devices; Wearable activity trackers; X-ray apparatus not for medical purposes