Mobile phones; USB modems; data cards; gateways; video telephones; modems; computers; set-top boxes; household network communication terminal devices and equipment for accessing Internet, making phone calls, viewing videos and playing games; digital readers; ADSL broadband accessing terminal devices and equipment; routers; ebook devices; communication modules; PDA (personal digital assistant); telephones for remote telephone conferencing; digital photo frames; apparatus for remote video conference; apparatus for network video conference; intelligent control apparatus for video conference; batteries; battery chargers; mouse; headphones; software in communication field; microphones