Against everyone's expectations, the portable CD player is back!

The FiiO DM13 looks like a classic portable CD player, but it's much more than that! — FiiO

Nostalgia is all the rage in the tech sector. Now, a Chinese manufacturer is revisiting the portable CD player, a device that took the world by storm in the '80s and '90s.

For several years now, Nokia has been releasing revisited, slightly more modern versions of iconic cell phone models, such as the 3310, the 8110 and, more recently, the 3210.