When it comes to smart features, the Keurig K-Duo coffee maker offers things such as strength control, which allows you to make the coffee that suits your tastes. The Keurig K-Duo is able to use K ...

the K-Duo is the best Keurig coffee maker to fit your needs. The Duo is a petite machine that combines a 12-ounce carafe with a pod machine, both fueled by a 60-ounce capacity water tank.