9 Headphones; Adjustable smartphone and PC tablet stabilizers and mounts; Backpacks especially adapted for holding laptops and notebook computers; Computer bags; Electronic card readers; Electronic docking stations; Electronic point-of-sale (POS) systems comprised primarily of point-of-sale terminals, bar code readers, touchscreen monitors, keyboards, document printers, scanners, and recorded operating software; Home theater systems comprising DVD players, audio amplifiers, audio speakers ; Public address (PA) and sound system accessories, namely, microphone stands, speaker stands, microphone cables, speaker cables, speaker boxes and sound mixers; Tripods