Best Buy is a multinational retailer of technology and entertainment products operated by Best Buy Co. Inc. Located in Chicago, Ill., the retailer offers a range of consumer electronics, home office products, entertainment software, appliances and related services. Its list of video products includes televisions, navigation products, digital cameras and accessories, e-readers and DVD/Blu-ray players. The retailer also provides MP3 players, home theater audio systems, musical instruments and mobile electronics. Best Buy Co. Inc. operates under Audiovisions, Best Buy Mobile, The Carphone Warehouse, Future Shop, Geek Squad, Magnolia Audio Video and Napster brands.