Sony is a Japanese multinational conglomerate corporation headquartered in Tokyo, Japan. It is one of the leading manufacturers of electronic products for the consumer and professional markets. It re-started its phone line in early 2012 after splitting with the Sony Ericsson joint venture. It started producing its Xperia range of smartphones with Windows Mobile OS, but gradually shifted to Android OS. It produces some of the best waterproof and shockproof phones in the particular smartphone category. It manufactures a large range of products like tablets, laptops, audio video entertainment devices, gaming consoles, cameras and camcorders, semi conductors and electronic components.