Sprint customers can now use cell phones to shop for everything from shoes to televisions in a new service the No. 3 wireless company has launched to boost revenue.

The company said today it is providing a mobile Web portal for shoppers to compare prices or buy about 7 million products from 30 online retailers, including Wal-Mart Stores, Target, bluefly.com and shoes.com.

Users can search for a specific product to find which retailer offers it at the lowest price, or they can browse inventory by retailer or category. When they've found a product they're interested in, customers can email the details to themselves for future use, share the details with a friend, or purchase the product right from their phone.

For easy purchasing, customers can set up a Mobile Shopper account right on their phone or on a PC at www.sprint.com/mobileshopper to save their shipping address and credit card information with a secure PIN. To make a purchase, customers select an item and enter their phone number and PIN to apply their saved account information without having to type it in each time. Charges appear on the customer's credit card statement, just as they would for an online purchase made from a PC.

Mobile Shopper is immediately available on most data-enabled Sprint phones, at no additional charge for Sprint data subscribers. To access the service, Sprint customers should select the Web icon on their phone's main menu and type "shop" into the search box. Standard data usage charges apply.