The Hey Joe Coffee Mug can make its own java as well as regulate the temperature automatically.

Some tumblers are designed to maintain the temperature of the drinks they carry, so they can keep coffee warm for a while or keep cold drinks cool for a couple of hours.

The Hey Joe Coffee Mug, however, does more than regulate the temperature of the owner's coffee. It can actually brew the coffee inside of itself.

The Hey Joe Coffee Mug is a travel-sized coffee mug that operates on a detachable USB rechargeable battery. The mug has two compartments that are separated at the middle point of the mug, and the middle point has a tray where the coffee pod is inserted. The top part holds the water while the bottom part holds the coffee after the water has dripped through the coffee pod.

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