Where might one go online to purchase a portable digital radio?

* Amazon: Amazon is one of the largest online retailers in the world, and it sells a wide variety of portable digital radios. You can find radios from various brands, including Sony, Sangean, and Panasonic.

* Best Buy: Best Buy is another major electronics retailer that sells portable digital radios. You can find radios online or in-store at Best Buy.

* eBay: eBay is an online marketplace where you can find a variety of portable digital radios from different sellers. You can often find discounted prices on eBay.

* Walgreens: Walgreens is one of the largest pharmacy chains in the U.S., and it happens to also carry portable radios such as Sony products..