Photo 1 of VFZO Temperature Control Heated Travel Mug Smart Self Heating Coffee Mug 18 Oz App Controlled LED Display coffee serving sets mug kept at a constant temperature for 4-10 hours (Navy Blue, 18 oz)

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Photo 1 of VFZO Temperature Control Heated Travel Mug Smart Self Heating Coffee Mug 18 Oz App Controlled LED Display coffee serving sets mug kept at a constant temperature for 4-10 hours (Navy Blue, 18 oz)