Best Buy Co., Inc. operates as an e-commerce and physical retailer of consumer electronics in the United States, Europe, Canada, and China. The company's stores offer video products, including televisions, e-readers, navigation products, digital cameras and accessories, digital camcorders and accessories, and DVD and Blu-ray players; audio products, such as MP3 players and accessories, home theater audio systems and components, and musical instruments; and mobile electronics comprising car stereo and satellite radio products. Its stores also provide computing and mobile phone products consisting of notebook and desktop computers, tablets, monitors, mobile phones and related subscription service commissions, hard drives and other storage devices, and networking equipment, as well as office supplies and other related accessories, such as printers; entertainment products, including video gaming hardware and software, DVDs, Blu-rays, CDs, digital downloads, and computer software; and appliances. In addition, the company offers service contracts, extended warranties, computer-related services, and product repair, as well as delivery and installation services for home theaters, and mobile audio and appliances; and provides snacks and beverages. It operates retail stores and call centers, as well as online retail operations under various brand names, such as Best Buy, Best Buy Mobile, The Carphone Warehouse, Five Star, Future Shop, Geek Squad, Magnolia Audio Video, Pacific Sales, Cell Shop, Connect Pro, Best Buy Express, and The Phone House. The company also operates BestBuy.com, BestBuy.ca, BestBuyMobile.com, CarphoneWarehouse.com, FutureShop.ca, and PhoneHouse.com. Best Buy Co., Inc. has a strategic partnership with Microsoft Corporation to create the Windows Stores. The company was formerly known as Sound of Music, Inc. and changed its name to Best Buy Co., Inc. in 1983. Best Buy Co., Inc. was founded in 1966 and is headquartered in Richfield, Minnesota.