The Famiworths Single Serve Mini Coffee Maker gives you two options to brew coffee, either using K-pod or ground coffee. The built-in rapid heating technology allows you to instantly enjoy a hotter cup of coffee in just 2 mins. 2 in 1 Coffee Maker for K Cup & Ground Coffee The 2-way brew feature allows you to choose between ground coffee and K-pods to brew the coffee of your choice. (Note: The handle of the holder or basket must be placed horizontally, otherwise the top lid cannot be closed properly.) Reservoir with Indicator & Larger Opening The larger opening of the water tank effectively reduces splashing, and the water window allows you to fill the water to your desired level with ease. Plus, all parts, including the brew basket and capsule holder, are removable and dishwasher safe for easy cleaning. Instant Brew Technology and One-Button Operation With simple one button operation and instant brew technology, when using this coffee pod maker you can have your 12oz of delicious coffee up to 180℉ in just 2 minutes. Space Saving & Convenient to Carry The compact, space-saving design can fit in any space, including RVs, offices, and bedrooms, and allows you to take this small coffee maker on the go. Descaling Reminder & Cleaning Function The built-in descaling reminder and the cleaning function make cleaning easy and help extend the life of this ground coffee maker. Other Protection Features The dual coffee maker will remind you with a flashing blue light when the reservoir is out of water or when the top lid is unlocked, making it safer to use. How to descale the coffee maker? Step 1: The descale light turns red, indicating that the coffee machine needs cleaning. Step 2: Pour 12 oz of prepared descaling solution into the water reservoir. Step 3: Press the button for 2 seconds to start the descaling process. Step 4: After completing the descaling procedure, fill the reservoir with the maximum amount of water and proceed to press the brew button. Repeating this action twice will effectively cleanse the coffee maker's reservoir and inner tube. Why can't the top lid be closed after attaching the basket filter or pod holder? The handle of the holder or basket should be placed horizontally, otherwise, the top lid will not be able to close properly. Why does the button flash blue and the single serve coffee maker doesn't work after pressing the button? The button flashes blue to remind you that there is no water or the top cover is not closed properly. Why does the DESCALE light turn red? The descale light turns red to remind you that the mini coffee maker needs to be descaled. But this reminder will not affect the preparation of the coffee. What cup height can this single coffee maker fit? Travel mugs or cups up to 5.5'' tall can fit in this coffee maker single serve. Does the single pod coffee maker use all the water added? Yes, the ground and pod coffee maker will use all the water in the tank to brew a cup of coffee.