3D spectacles; Acoustic alarms; Acoustic amplifiers; Car stereos; Computer mice; Cover for an electric door bell that attaches to the doorbell to block its use; Ear phones; Earphones and headphones; Electric door bells; Electrical outlet plates; Electrical outlets; Electronic door alarms; Headphones; Memory expansion cards; Memory expansion modules; Memory modules; Mousepads; Multi-outlet socket blocks; Wireless computer mice; Wireless headsets for smartphones