OUSUMAN

3D spectacles; Batteries, electric; Cell phone cases; Earphones and headphones; Eyeglasses; Goggles for sports; Protecting masks; Protective films adapted for smartphones; Rechargeable batteries; Safety helmets; Smartglasses; USB cables for cellphones; Virtual reality glasses; Webcams; Cabinets for loudspeakers; Electrical plugs and sockets; Hourglasses; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography