SAN JOSE, Calif. & CAMBRIDGE, United Kingdom--(BUSINESS WIRE)--CSR plc (LSE: CSR; NASDAQ: CSRE) today announced that its CSRmesh™ technology has been used by SK Telecom to enable the world’s first range of smart LED lightbulbs which also function as Bluetooth® Smart beacons networked together using CSRmesh. The intelligent CSRmesh lighting system will allow an almost unlimited number of smart lightbulbs to be simply controlled and networked together in-store while also enabling location-based s