Virtual reality headsets; headphones for virtual reality games; projection screens; projection apparatus; miniature projector; transparency projection apparatus; multimedia projectors; autofocus projectors; projection apparatus for teaching use; remote controls for projectors; eyeglasses; 3D spectacles; portable power supplies [rechargeable batteries].

Computer hardware and software; computers; computer servers; computer networking hardware; computer software for use in enhancing, optimizing, securing, accelerating, monitoring, and managing computer network traffic and applications communicating across networks