Best Buy is an electronics superstore that carries a huge selection of products in every popular category for the home or office. It also offers a range of services that help customers make the most of their purchases. A suite of specialty shops builds on the bricks-and-mortar stores' one-stop-shop appeal.

Best Buy offers a comprehensive choice of television and home theater equipment that includes standard digital and smart televisions, home theater systems, tuners and converters and Blu-ray and DVD players, Best Buy also carries a full line of portable and personal video products. Customers can even shop for cable TV and satellite TV providers.

Audio products run the gamut from home to mobile to marine. Best Buy has all the top brands of MP3 players and accessories, home audio systems, portable audio and such accessories as earphones, ear buds and cables. It also carries consumer and prosumer recording equipment, including recording computers and studio monitors. Marine products include radio communication, navigation and security.

For the office, Best Buy offers computers and peripherals, software, telephones, printer supplies and presentation electronics. And, unlike the bricks-and-mortar locations, the online store has an impressive catalog of office furniture as well.

For home and family entertainment, there's an enormous selection of books, movies, music and videogames, as well as popular game consoles. Music can be purchased digitally, as can audiobooks.

Best Buy's camera department has a comprehensive choice of cameras and camcorders. Digital SLR cameras and lenses from top manufacturers come separately and as package deals. Other optics include webcams and binoculars.

Mobile phones are another Best Buy strong point. Customers can purchase phones and calling plans from every major provider, as well as mobile broadband products and unlocked and no-contract phones.

Among home appliances, Best Buy has small and major appliances as well as personal care products, air conditioners, garment care items and even weather stations. Best Buy also delivers and installs appliances and does appliance repairs.

One thing that sets Best Buy apart from other online electronics retailers is its specialty shops. Best Buy for Business makes available an expanded selection of office products as well as technical support and such services as videoconferencing. CinemaPlus has movie and TV show downloads and on-demand programming. The App Discovery Center has mobile, reader and tablet apps for all the major brands available for download. Other specialty departments include shops for sports and cartoon fans that carry licensed merchandise.

Best Buy's services are also standouts. The best-known is perhaps the Geek Squad. What many people don't know is that the Geek Squad does more than service computers. The Squad offers a variety of support, set-up and installation services for TV and home theater, gaming, MP3 players, cameras and camcorders, and marine electronics.

Service plans are available for many Best Buy products through the Geek Squad Black Tie Protection program. Plans vary by product, but, generally speaking, they include repair, support and security warranties.