Computer hardware; covers for smartphones; Equipment for electronic communication networks, namely, transmitters, receivers; protective films adapted for mobile phones; Acoustic couplers; Headphones; Coaxial cables; Optical couplers; joysticks for use with computers, other than for video games; Rechargeable electric batteries; Audio- and video-receivers; Megaphones; Mice for computers; cases for smartphones; Materials for electricity mains, namely, electrical cables; Battery chargers; Locks, ...