Computer hardware; Wearable computing device, namely, smart glasses, augmented reality smart glasses, virtual reality smart glasses, mixed-reality smart glasses, head-mounted video displays, smart watch, smart ring, smart wristband and smart earring; Smart glasses for data processing; Smart watch for data processing; Smart ring for data processing; Downloadable app for mobile phones for mirroring the interface, display and/or operation of smart glasses system and applications installed on smart glasses, sending/receiving encrypted or unencrypted data and information between mobile phone and smart glasses via cable connection, wireless local area network products or telecommunications connections, smart glasses text inputting interface, smart glasses voice interface, smart glasses touchpad interface, installing/uninstalling smart glasses applications, interface for smart glasses system setup and upgrade; Downloadable computer software for mirroring the interface, display and/or operation of smart glasses system and applications installed on smart glasses, sending/receiving encrypted or unencrypted data and information between computer and smart glasses via cable connection, wireless local area network products or telecommunications connections, smart glasses text inputting interface, smart glasses voice interface, smart glasses touchpad interface, installing/uninstalling smart glasses applications, interface for smart glasses system setup and upgrade; Wearable activity trackers; Eye-glasses; Amplifying device for photograph, namely, amplifier; Close-up eyeglass; camera lens; Thermo-imaging camera; Computer peripherals; Computer peripheral, namely, mouse; Telescope; Humanoid robot with artificial intelligence; Optical lens; Optical magnifying lens; Instruments with eyepieces, namely, telescopes, microscopes; Head-mount earphones; Wearable video display monitors