Best Buy Co., Inc. operates as a specialty retailer in the United States, Canada, Mexico, China, and Europe. It offers consumer electronic video products, such as televisions, digital cameras and accessories, digital camcorders, and DVD players; and audio products comprising MP3 players, navigation products, home theater audio systems and components, and mobile electronics. It also offers home office products comprising notebook and desktop computers, monitors, mobile phones and related subscription service commissions, hard drives, and networking equipment; entertainment software products, such as video gaming hardware and software, DVDs, CDs, digital downloads, and computer software; and appliances, such as kitchen appliances, plumbing fixtures, snacks, and beverages. Best Buy Co. also offers service contracts; extended warranties; product repair; broadband voice, data, and information technology services; and delivers and installs home theater, mobile audio, and appliances. As of February 28, 2009, it operated 1,023 U.S. Best Buy stores, 38 U.S. Best Buy Mobile stand-alone stores, 34 Pacific Sales stores, 6 Magnolia Audio Video stores, and 6 Geek Squad stand-alone stores. The company also operated 2,465 The Carphone Warehouse and The Phone House stores in Europe, 58 Best Buy Canada stores, 3 Best Buy Mobile Canada stores, 139 Future Shop stores in Canada, 164 Five Star stores in China, 5 Best Buy China stores, and 1 Best Buy Mexico store. It also operates the Napster and Speakeasy stores. In addition, the company engages in online retailing through BestBuy.com, BestBuy.ca, BestBuy.com.cn, espanol.BestBuy.com, and BestBuyMobile.com; CarphoneWarehouse.com; Five-Star.cn; FutureShop.ca; GeekSquad.com and GeekSquad.ca; MagnoliaAV.com; Napster.com; PacificSales.com; PhoneHouse.com; and Speakeasy.net. It was formerly known as Sound of Music, Inc. and changed its name to Best Buy Co., Inc. in 1983. The company founded in 1966 and is headquartered in Richfield, Minnesota.