Jr.com is the website of J&R Music World, a retail company formed in 1971 that specializes in consumer electronics. The site is owned and operated by J&R Electronics, Inc.

The homepage features links to the latest music news, special deals, and electronics for sale. The homepage also features a list of products by category and a ‘Deals of the Day’ section at the bottom of the page. The menu on the left displays a list of product categories and subcategories, as well as links to advertised specials featured in the New York Times, Am New York, and other print publications.

The ‘Categories’ tab displays links to all product categories and subcategories for simplified browsing. Each product page contains pricing information, shipping information, a brief description of the product, a list of recommended accessories, a ‘Store Stock’ section that lists the stores where the product is in stock, a list of similar products, and product reviews.

The ‘Brands’ section displays a thumbnail list of brands, as well as an numbers and letters that visitors can use to browse brands by name. The ‘Boutiques’ section features an alphabetical brand list of product boutiques available on the site. Product Boutique pages features products and accessories for only that product brand or model. The ‘Deals’ section features a list of promotions featured on the site, on other websites, and on TV, radio, and printed publications. The ‘Blog’ section features a list of blogs in several product categories that feature product reviews and information, as well as company news and updates. The ‘Learn’ section displays links to product guides sorted by product. The ‘Events’ section displays a list of upcoming live events at J&R locations, such as signings, performances, and seminars. The ‘Help’ section displays links to common topics and a link to company contact information.