Eyeglasses; Cases adapted for mobile phones; Cases for smartphones; Data cables; Earphones and headphones; Keypads for use with tablet computers; Power adapters; Solar panels for the production of electricity; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free-space optics transmission systems, switches including Ethernet switches and routers, fiber-to-the-home and ethernet-over-VDSL access aggrega...