ZUAN SHI YAN

Close-up lenses; Covers for smartphones; Eyeglass frames; Eyeglasses; Filters for ultraviolet rays, for photography; Flashlights for use in photography; Global positioning system (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; Microscopes; Optical glasses; Optical lenses; Photographic viewfinders; Pince-nez; Reflectors for telescopes; Refractometers; Telescopes; Wearable activity trackers