Telefonaktiebolaget LM Ericsson (publ), commonly known as Ericsson, is a Swedish multinational networking and telecommunications company headquartered in Stockholm. Founded in 1876 by Lars Magnus Ericsson, the company provides infrastructure, software, and services in information and communications technology for telecommunications service providers and enterprises, including 3G, 4G, and 5G technologies, as well as Internet Protocol (IP) and optical transport systems. Ericsson employs approximately 100,000 people and operates in more than 180 countries. The company is also recognized as the inventor of Bluetooth technology.